diff --git a/program/tests/helpers/context.rs b/program/tests/helpers/context.rs
new file mode 100644
index 00000000..03713b4d
--- /dev/null
+++ b/program/tests/helpers/context.rs
@@ -0,0 +1,112 @@
+use {
+    super::{
+        instruction_builders::{InstructionConfig, InstructionExecution},
+        lifecycle::StakeLifecycle,
+        utils::{add_sysvars, STAKE_RENT_EXEMPTION},
+    },
+    mollusk_svm::{result::Check, Mollusk},
+    solana_account::AccountSharedData,
+    solana_instruction::Instruction,
+    solana_pubkey::Pubkey,
+    solana_stake_program::id,
+};
+
+/// Builder for creating stake accounts with customizable parameters
+pub struct StakeAccountBuilder {
+    lifecycle: StakeLifecycle,
+}
+
+impl StakeAccountBuilder {
+    pub fn build(self) -> (Pubkey, AccountSharedData) {
+        let stake_pubkey = Pubkey::new_unique();
+        let account = self.lifecycle.create_uninitialized_account();
+        (stake_pubkey, account)
+    }
+}
+
+/// Consolidated test context for stake account tests
+pub struct StakeTestContext {
+    pub mollusk: Mollusk,
+    pub rent_exempt_reserve: u64,
+    pub staker: Pubkey,
+    pub withdrawer: Pubkey,
+}
+
+impl StakeTestContext {
+    /// Create a new test context with all standard setup
+    pub fn new() -> Self {
+        let mollusk = Mollusk::new(&id(), "solana_stake_program");
+
+        Self {
+            mollusk,
+            rent_exempt_reserve: STAKE_RENT_EXEMPTION,
+            staker: Pubkey::new_unique(),
+            withdrawer: Pubkey::new_unique(),
+        }
+    }
+
+    /// Create a stake account builder for the specified lifecycle stage
+    ///
+    /// Example:
+    /// ```
+    /// let (stake, account) = ctx
+    ///     .stake_account(StakeLifecycle::Uninitialized)
+    ///     .build();
+    /// ```
+    pub fn stake_account(&mut self, lifecycle: StakeLifecycle) -> StakeAccountBuilder {
+        StakeAccountBuilder { lifecycle }
+    }
+
+    /// Process an instruction
+    pub fn process_with<'b, C: InstructionConfig>(
+        &self,
+        config: C,
+    ) -> InstructionExecution<'_, 'b> {
+        InstructionExecution::new(
+            config.build_instruction(self),
+            config.build_accounts(),
+            self,
+        )
+    }
+
+    /// Process an instruction with optional missing signer testing
+    pub(crate) fn process_instruction_maybe_test_signers(
+        &self,
+        instruction: &Instruction,
+        accounts: Vec<(Pubkey, AccountSharedData)>,
+        checks: &[Check],
+        test_missing_signers: bool,
+    ) -> mollusk_svm::result::InstructionResult {
+        if test_missing_signers {
+            use solana_program_error::ProgramError;
+
+            // Test that removing each signer causes failure
+            for i in 0..instruction.accounts.len() {
+                if instruction.accounts[i].is_signer {
+                    let mut modified_instruction = instruction.clone();
+                    modified_instruction.accounts[i].is_signer = false;
+
+                    let accounts_with_sysvars =
+                        add_sysvars(&self.mollusk, &modified_instruction, accounts.clone());
+
+                    self.mollusk.process_and_validate_instruction(
+                        &modified_instruction,
+                        &accounts_with_sysvars,
+                        &[Check::err(ProgramError::MissingRequiredSignature)],
+                    );
+                }
+            }
+        }
+
+        // Process with all signers present
+        let accounts_with_sysvars = add_sysvars(&self.mollusk, instruction, accounts);
+        self.mollusk
+            .process_and_validate_instruction(instruction, &accounts_with_sysvars, checks)
+    }
+}
+
+impl Default for StakeTestContext {
+    fn default() -> Self {
+        Self::new()
+    }
+}
diff --git a/program/tests/helpers/instruction_builders.rs b/program/tests/helpers/instruction_builders.rs
new file mode 100644
index 00000000..515a72a0
--- /dev/null
+++ b/program/tests/helpers/instruction_builders.rs
@@ -0,0 +1,105 @@
+use {
+    super::context::StakeTestContext,
+    mollusk_svm::result::Check,
+    solana_account::AccountSharedData,
+    solana_instruction::Instruction,
+    solana_pubkey::Pubkey,
+    solana_stake_interface::{
+        instruction as ixn,
+        state::{Authorized, Lockup},
+    },
+};
+
+// Trait for instruction configuration that builds instruction and accounts
+pub trait InstructionConfig {
+    fn build_instruction(&self, ctx: &StakeTestContext) -> Instruction;
+    fn build_accounts(&self) -> Vec<(Pubkey, AccountSharedData)>;
+}
+
+/// Execution builder with validation and signer testing
+pub struct InstructionExecution<'a, 'b> {
+    instruction: Instruction,
+    accounts: Vec<(Pubkey, AccountSharedData)>,
+    ctx: &'a StakeTestContext,
+    checks: Option<&'b [Check<'b>]>,
+    test_missing_signers: Option<bool>, // `None` runs if `Check::success`
+}
+
+impl<'b> InstructionExecution<'_, 'b> {
+    pub fn checks(mut self, checks: &'b [Check<'b>]) -> Self {
+        self.checks = Some(checks);
+        self
+    }
+
+    pub fn test_missing_signers(mut self, test: bool) -> Self {
+        self.test_missing_signers = Some(test);
+        self
+    }
+
+    /// Executes the instruction. If `checks` is `None` or empty, uses `Check::success()`.
+    /// Fail-safe default: when `test_missing_signers` is `None`, runs the missing-signers
+    /// test (`true`). Callers must explicitly opt out with `.test_missing_signers(false)`.
+    pub fn execute(self) -> mollusk_svm::result::InstructionResult {
+        let default_checks = [Check::success()];
+        let checks = match self.checks {
+            Some(c) if !c.is_empty() => c,
+            _ => &default_checks,
+        };
+
+        let test_missing_signers = self.test_missing_signers.unwrap_or(true);
+
+        self.ctx.process_instruction_maybe_test_signers(
+            &self.instruction,
+            self.accounts,
+            checks,
+            test_missing_signers,
+        )
+    }
+}
+
+impl<'a> InstructionExecution<'a, '_> {
+    pub(crate) fn new(
+        instruction: Instruction,
+        accounts: Vec<(Pubkey, AccountSharedData)>,
+        ctx: &'a StakeTestContext,
+    ) -> Self {
+        Self {
+            instruction,
+            accounts,
+            ctx,
+            checks: None,
+            test_missing_signers: None,
+        }
+    }
+}
+
+pub struct InitializeConfig<'a> {
+    pub stake: (&'a Pubkey, &'a AccountSharedData),
+    pub authorized: &'a Authorized,
+    pub lockup: &'a Lockup,
+}
+
+impl InstructionConfig for InitializeConfig<'_> {
+    fn build_instruction(&self, _ctx: &StakeTestContext) -> Instruction {
+        ixn::initialize(self.stake.0, self.authorized, self.lockup)
+    }
+
+    fn build_accounts(&self) -> Vec<(Pubkey, AccountSharedData)> {
+        vec![(*self.stake.0, self.stake.1.clone())]
+    }
+}
+
+pub struct InitializeCheckedConfig<'a> {
+    pub stake: (&'a Pubkey, &'a AccountSharedData),
+    pub authorized: &'a Authorized,
+}
+
+impl InstructionConfig for InitializeCheckedConfig<'_> {
+    fn build_instruction(&self, _ctx: &StakeTestContext) -> Instruction {
+        ixn::initialize_checked(self.stake.0, self.authorized)
+    }
+
+    fn build_accounts(&self) -> Vec<(Pubkey, AccountSharedData)> {
+        vec![(*self.stake.0, self.stake.1.clone())]
+    }
+}
diff --git a/program/tests/helpers/lifecycle.rs b/program/tests/helpers/lifecycle.rs
new file mode 100644
index 00000000..74e55285
--- /dev/null
+++ b/program/tests/helpers/lifecycle.rs
@@ -0,0 +1,29 @@
+use {
+    super::utils::STAKE_RENT_EXEMPTION, solana_account::AccountSharedData,
+    solana_stake_interface::state::StakeStateV2, solana_stake_program::id,
+};
+
+/// Lifecycle states for stake accounts in tests
+#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
+pub enum StakeLifecycle {
+    Uninitialized = 0,
+    Initialized,
+    Activating,
+    Active,
+    Deactivating,
+    Deactive,
+    Closed,
+}
+
+impl StakeLifecycle {
+    /// Create an uninitialized stake account
+    pub fn create_uninitialized_account(self) -> AccountSharedData {
+        AccountSharedData::new_data_with_space(
+            STAKE_RENT_EXEMPTION,
+            &StakeStateV2::Uninitialized,
+            StakeStateV2::size_of(),
+            &id(),
+        )
+        .unwrap()
+    }
+}
diff --git a/program/tests/helpers/mod.rs b/program/tests/helpers/mod.rs
new file mode 100644
index 00000000..ff09b000
--- /dev/null
+++ b/program/tests/helpers/mod.rs
@@ -0,0 +1,7 @@
+#![allow(clippy::arithmetic_side_effects)]
+#![allow(dead_code)]
+
+pub mod context;
+pub mod instruction_builders;
+pub mod lifecycle;
+pub mod utils;
diff --git a/program/tests/helpers/utils.rs b/program/tests/helpers/utils.rs
new file mode 100644
index 00000000..3bc0659b
--- /dev/null
+++ b/program/tests/helpers/utils.rs
@@ -0,0 +1,65 @@
+use {
+    mollusk_svm::Mollusk,
+    solana_account::{Account, AccountSharedData},
+    solana_instruction::Instruction,
+    solana_pubkey::Pubkey,
+    solana_rent::Rent,
+    solana_stake_interface::{stake_history::StakeHistory, state::StakeStateV2},
+    solana_sysvar_id::SysvarId,
+    std::collections::HashMap,
+};
+
+// hardcoded for convenience
+pub const STAKE_RENT_EXEMPTION: u64 = 2_282_880;
+
+#[test]
+fn assert_stake_rent_exemption() {
+    assert_eq!(
+        Rent::default().minimum_balance(StakeStateV2::size_of()),
+        STAKE_RENT_EXEMPTION
+    );
+}
+
+/// Resolve all accounts for an instruction, including sysvars and instruction accounts
+///
+/// This function re-serializes the stake history sysvar from mollusk.sysvars.stake_history
+/// every time it's called, ensuring that any updates to the stake history are reflected in the accounts.
+pub fn add_sysvars(
+    mollusk: &Mollusk,
+    instruction: &Instruction,
+    accounts: Vec<(Pubkey, AccountSharedData)>,
+) -> Vec<(Pubkey, Account)> {
+    // Build a map of provided accounts
+    let mut account_map: HashMap<Pubkey, Account> = accounts
+        .into_iter()
+        .map(|(pk, acc)| (pk, acc.into()))
+        .collect();
+
+    // Now resolve all accounts from the instruction
+    let mut result = Vec::new();
+    for account_meta in &instruction.accounts {
+        let key = account_meta.pubkey;
+        let account = if let Some(acc) = account_map.remove(&key) {
+            // Use the provided account
+            acc
+        } else if Rent::check_id(&key) {
+            mollusk.sysvars.keyed_account_for_rent_sysvar().1
+        } else if solana_clock::Clock::check_id(&key) {
+            mollusk.sysvars.keyed_account_for_clock_sysvar().1
+        } else if solana_epoch_schedule::EpochSchedule::check_id(&key) {
+            mollusk.sysvars.keyed_account_for_epoch_schedule_sysvar().1
+        } else if solana_epoch_rewards::EpochRewards::check_id(&key) {
+            mollusk.sysvars.keyed_account_for_epoch_rewards_sysvar().1
+        } else if StakeHistory::check_id(&key) {
+            // Re-serialize stake history from mollusk.sysvars.stake_history
+            mollusk.sysvars.keyed_account_for_stake_history_sysvar().1
+        } else {
+            // Default empty account
+            Account::default()
+        };
+
+        result.push((key, account));
+    }
+
+    result
+}
diff --git a/program/tests/initialize.rs b/program/tests/initialize.rs
new file mode 100644
index 00000000..a3d52f94
--- /dev/null
+++ b/program/tests/initialize.rs
@@ -0,0 +1,269 @@
+#![allow(clippy::arithmetic_side_effects)]
+
+mod helpers;
+
+use {
+    helpers::{
+        context::StakeTestContext,
+        instruction_builders::{InitializeCheckedConfig, InitializeConfig},
+        lifecycle::StakeLifecycle,
+    },
+    mollusk_svm::result::Check,
+    solana_account::{AccountSharedData, ReadableAccount},
+    solana_program_error::ProgramError,
+    solana_pubkey::Pubkey,
+    solana_rent::Rent,
+    solana_sdk_ids::{stake::id, system_program::id as system_program_id},
+    solana_stake_interface::state::{Authorized, Lockup, StakeStateV2},
+    test_case::test_case,
+};
+
+#[derive(Debug, Clone, Copy)]
+enum InitializeVariant {
+    Initialize,
+    InitializeChecked,
+}
+
+fn lockup_for(variant: InitializeVariant, custodian: Pubkey) -> Lockup {
+    match variant {
+        InitializeVariant::Initialize => Lockup {
+            epoch: 1,
+            unix_timestamp: 0,
+            custodian,
+        },
+        InitializeVariant::InitializeChecked => Lockup::default(),
+    }
+}
+
+#[test_case(InitializeVariant::Initialize; "initialize")]
+#[test_case(InitializeVariant::InitializeChecked; "initialize_checked")]
+fn test_initialize(variant: InitializeVariant) {
+    let mut ctx = StakeTestContext::new();
+
+    let authorized = Authorized {
+        staker: ctx.staker,
+        withdrawer: ctx.withdrawer,
+    };
+    let lockup = lockup_for(variant, Pubkey::new_unique());
+
+    let (stake, stake_account) = ctx.stake_account(StakeLifecycle::Uninitialized).build();
+
+    let result = {
+        let program_id = id();
+        let checks = [
+            Check::success(),
+            Check::all_rent_exempt(),
+            Check::account(&stake)
+                .lamports(ctx.rent_exempt_reserve)
+                .owner(&program_id)
+                .space(StakeStateV2::size_of())
+                .build(),
+        ];
+
+        let processor = match variant {
+            InitializeVariant::Initialize => ctx.process_with(InitializeConfig {
+                stake: (&stake, &stake_account),
+                authorized: &authorized,
+                lockup: &lockup,
+            }),
+            InitializeVariant::InitializeChecked => ctx.process_with(InitializeCheckedConfig {
+                stake: (&stake, &stake_account),
+                authorized: &authorized,
+            }),
+        };
+
+        processor
+            .checks(&checks)
+            .test_missing_signers(true)
+            .execute()
+    };
+
+    let resulting_account: AccountSharedData = result.resulting_accounts[0].1.clone().into();
+    let stake_state: StakeStateV2 = bincode::deserialize(resulting_account.data()).unwrap();
+    assert_eq!(
+        stake_state,
+        StakeStateV2::Initialized(solana_stake_interface::state::Meta {
+            authorized,
+            rent_exempt_reserve: ctx.rent_exempt_reserve,
+            lockup,
+        }),
+    );
+
+    // Re-initialize should fail
+    let processor = match variant {
+        InitializeVariant::Initialize => ctx.process_with(InitializeConfig {
+            stake: (&stake, &resulting_account),
+            authorized: &authorized,
+            lockup: &lockup,
+        }),
+        InitializeVariant::InitializeChecked => ctx.process_with(InitializeCheckedConfig {
+            stake: (&stake, &resulting_account),
+            authorized: &authorized,
+        }),
+    };
+
+    processor
+        .checks(&[Check::err(ProgramError::InvalidAccountData)])
+        .test_missing_signers(false)
+        .execute();
+}
+
+#[test_case(InitializeVariant::Initialize; "initialize")]
+#[test_case(InitializeVariant::InitializeChecked; "initialize_checked")]
+fn test_initialize_insufficient_funds(variant: InitializeVariant) {
+    let ctx = StakeTestContext::new();
+
+    let authorized = Authorized {
+        staker: ctx.staker,
+        withdrawer: ctx.withdrawer,
+    };
+    let lockup = lockup_for(variant, Pubkey::new_unique());
+
+    // Account has insufficient lamports
+    let stake = Pubkey::new_unique();
+    let stake_account = AccountSharedData::new_data_with_space(
+        ctx.rent_exempt_reserve / 2,
+        &StakeStateV2::Uninitialized,
+        StakeStateV2::size_of(),
+        &id(),
+    )
+    .unwrap();
+
+    let processor = match variant {
+        InitializeVariant::Initialize => ctx.process_with(InitializeConfig {
+            stake: (&stake, &stake_account),
+            authorized: &authorized,
+            lockup: &lockup,
+        }),
+        InitializeVariant::InitializeChecked => ctx.process_with(InitializeCheckedConfig {
+            stake: (&stake, &stake_account),
+            authorized: &authorized,
+        }),
+    };
+
+    processor
+        .checks(&[Check::err(ProgramError::InsufficientFunds)])
+        .test_missing_signers(false)
+        .execute();
+}
+
+#[test_case(InitializeVariant::Initialize; "initialize")]
+#[test_case(InitializeVariant::InitializeChecked; "initialize_checked")]
+fn test_initialize_incorrect_size_larger(variant: InitializeVariant) {
+    let ctx = StakeTestContext::new();
+
+    let rent_exempt_reserve = Rent::default().minimum_balance(StakeStateV2::size_of() * 2);
+
+    let authorized = Authorized {
+        staker: ctx.staker,
+        withdrawer: ctx.withdrawer,
+    };
+    let lockup = lockup_for(variant, Pubkey::new_unique());
+
+    // Account data length too large
+    let stake = Pubkey::new_unique();
+    let stake_account = AccountSharedData::new_data_with_space(
+        rent_exempt_reserve,
+        &StakeStateV2::Uninitialized,
+        StakeStateV2::size_of() + 1,
+        &id(),
+    )
+    .unwrap();
+
+    let processor = match variant {
+        InitializeVariant::Initialize => ctx.process_with(InitializeConfig {
+            stake: (&stake, &stake_account),
+            authorized: &authorized,
+            lockup: &lockup,
+        }),
+        InitializeVariant::InitializeChecked => ctx.process_with(InitializeCheckedConfig {
+            stake: (&stake, &stake_account),
+            authorized: &authorized,
+        }),
+    };
+
+    processor
+        .checks(&[Check::err(ProgramError::InvalidAccountData)])
+        .test_missing_signers(false)
+        .execute();
+}
+
+#[test_case(InitializeVariant::Initialize; "initialize")]
+#[test_case(InitializeVariant::InitializeChecked; "initialize_checked")]
+fn test_initialize_incorrect_size_smaller(variant: InitializeVariant) {
+    let ctx = StakeTestContext::new();
+
+    let rent_exempt_reserve = Rent::default().minimum_balance(StakeStateV2::size_of());
+
+    let authorized = Authorized {
+        staker: ctx.staker,
+        withdrawer: ctx.withdrawer,
+    };
+    let lockup = lockup_for(variant, Pubkey::new_unique());
+
+    // Account data length too small
+    let stake = Pubkey::new_unique();
+    let stake_account = AccountSharedData::new_data_with_space(
+        rent_exempt_reserve,
+        &StakeStateV2::Uninitialized,
+        StakeStateV2::size_of() - 1,
+        &id(),
+    )
+    .unwrap();
+
+    let processor = match variant {
+        InitializeVariant::Initialize => ctx.process_with(InitializeConfig {
+            stake: (&stake, &stake_account),
+            authorized: &authorized,
+            lockup: &lockup,
+        }),
+        InitializeVariant::InitializeChecked => ctx.process_with(InitializeCheckedConfig {
+            stake: (&stake, &stake_account),
+            authorized: &authorized,
+        }),
+    };
+
+    processor
+        .checks(&[Check::err(ProgramError::InvalidAccountData)])
+        .test_missing_signers(false)
+        .execute();
+}
+
+#[test_case(InitializeVariant::Initialize; "initialize")]
+#[test_case(InitializeVariant::InitializeChecked; "initialize_checked")]
+fn test_initialize_wrong_owner(variant: InitializeVariant) {
+    let ctx = StakeTestContext::new();
+
+    let authorized = Authorized {
+        staker: ctx.staker,
+        withdrawer: ctx.withdrawer,
+    };
+    let lockup = lockup_for(variant, Pubkey::new_unique());
+
+    // Owner is not the stake program
+    let stake = Pubkey::new_unique();
+    let stake_account = AccountSharedData::new_data_with_space(
+        Rent::default().minimum_balance(StakeStateV2::size_of()),
+        &StakeStateV2::Uninitialized,
+        StakeStateV2::size_of(),
+        &system_program_id(),
+    )
+    .unwrap();
+
+    let processor = match variant {
+        InitializeVariant::Initialize => ctx.process_with(InitializeConfig {
+            stake: (&stake, &stake_account),
+            authorized: &authorized,
+            lockup: &lockup,
+        }),
+        InitializeVariant::InitializeChecked => ctx.process_with(InitializeCheckedConfig {
+            stake: (&stake, &stake_account),
+            authorized: &authorized,
+        }),
+    };
+
+    processor
+        .checks(&[Check::err(ProgramError::InvalidAccountOwner)])
+        .test_missing_signers(false)
+        .execute();
+}
diff --git a/program/tests/program_test.rs b/program/tests/program_test.rs
index e1988c7a..4f146806 100644
--- a/program/tests/program_test.rs
+++ b/program/tests/program_test.rs
@@ -396,17 +396,6 @@ async fn program_test_stake_checked_instructions() {
     let seed = "test seed";
     let seeded_address = Pubkey::create_with_seed(&seed_base, seed, &system_program::id()).unwrap();
 
-    // Test InitializeChecked with non-signing withdrawer
-    let stake = create_blank_stake_account(&mut context).await;
-    let instruction = ixn::initialize_checked(&stake, &Authorized { staker, withdrawer });
-
-    process_instruction_test_missing_signers(
-        &mut context,
-        &instruction,
-        &vec![&withdrawer_keypair],
-    )
-    .await;
-
     // Test AuthorizeChecked with non-signing staker
     let stake =
         create_independent_stake_account(&mut context, &Authorized { staker, withdrawer }, 0).await;
@@ -482,116 +471,6 @@ async fn program_test_stake_checked_instructions() {
     .await;
 }
 
-#[tokio::test]
-async fn program_test_stake_initialize() {
-    let mut context = program_test().start_with_context().await;
-    let accounts = Accounts::default();
-    accounts.initialize(&mut context).await;
-
-    let rent_exempt_reserve = get_stake_account_rent(&mut context.banks_client).await;
-
-    let staker_keypair = Keypair::new();
-    let withdrawer_keypair = Keypair::new();
-    let custodian_keypair = Keypair::new();
-
-    let staker = staker_keypair.pubkey();
-    let withdrawer = withdrawer_keypair.pubkey();
-    let custodian = custodian_keypair.pubkey();
-
-    let authorized = Authorized { staker, withdrawer };
-
-    let lockup = Lockup {
-        epoch: 1,
-        unix_timestamp: 0,
-        custodian,
-    };
-
-    let stake = create_blank_stake_account(&mut context).await;
-    let instruction = ixn::initialize(&stake, &authorized, &lockup);
-
-    // should pass
-    process_instruction(&mut context, &instruction, NO_SIGNERS)
-        .await
-        .unwrap();
-
-    // check that we see what we expect
-    let account = get_account(&mut context.banks_client, &stake).await;
-    let stake_state: StakeStateV2 = bincode::deserialize(&account.data).unwrap();
-    assert_eq!(
-        stake_state,
-        StakeStateV2::Initialized(Meta {
-            authorized,
-            rent_exempt_reserve,
-            lockup,
-        }),
-    );
-
-    // 2nd time fails, can't move it from anything other than uninit->init
-    refresh_blockhash(&mut context).await;
-    let e = process_instruction(&mut context, &instruction, NO_SIGNERS)
-        .await
-        .unwrap_err();
-    assert_eq!(e, ProgramError::InvalidAccountData);
-
-    // not enough balance for rent
-    let stake = Pubkey::new_unique();
-    let account = SolanaAccount {
-        lamports: rent_exempt_reserve / 2,
-        data: vec![0; StakeStateV2::size_of()],
-        owner: id(),
-        executable: false,
-        rent_epoch: 1000,
-    };
-    context.set_account(&stake, &account.into());
-
-    let instruction = ixn::initialize(&stake, &authorized, &lockup);
-    let e = process_instruction(&mut context, &instruction, NO_SIGNERS)
-        .await
-        .unwrap_err();
-    assert_eq!(e, ProgramError::InsufficientFunds);
-
-    // incorrect account sizes
-    let stake_keypair = Keypair::new();
-    let stake = stake_keypair.pubkey();
-
-    let instruction = system_instruction::create_account(
-        &context.payer.pubkey(),
-        &stake,
-        rent_exempt_reserve * 2,
-        StakeStateV2::size_of() as u64 + 1,
-        &id(),
-    );
-    process_instruction(&mut context, &instruction, &vec![&stake_keypair])
-        .await
-        .unwrap();
-
-    let instruction = ixn::initialize(&stake, &authorized, &lockup);
-    let e = process_instruction(&mut context, &instruction, NO_SIGNERS)
-        .await
-        .unwrap_err();
-    assert_eq!(e, ProgramError::InvalidAccountData);
-
-    let stake_keypair = Keypair::new();
-    let stake = stake_keypair.pubkey();
-
-    let instruction = system_instruction::create_account(
-        &context.payer.pubkey(),
-        &stake,
-        rent_exempt_reserve,
-        StakeStateV2::size_of() as u64 - 1,
-        &id(),
-    );
-    process_instruction(&mut context, &instruction, &vec![&stake_keypair])
-        .await
-        .unwrap();
-
-    let instruction = ixn::initialize(&stake, &authorized, &lockup);
-    let e = process_instruction(&mut context, &instruction, NO_SIGNERS)
-        .await
-        .unwrap_err();
-    assert_eq!(e, ProgramError::InvalidAccountData);
-}
-
 #[tokio::test]
 async fn program_test_authorize() {
     let mut context = program_test().start_with_context().await;