Refresh the set of slow tests (#19369)

Timing comparison (`make test-short`, cache purged):
| Branch  | Wall time |User CPU |
| -------- | ------- | ------- |
| main  | 1m21.00s  | 285.10s  |
| yperbasis/slow_tests | 1m12.62s | 256.08s |

The branch is ~10% faster than `main`.

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: yperbasis

cl/phase1/forkchoice/fork_choice_test.go

@@ -154,9 +154,8 @@ func TestForkChoiceBasic(t *testing.T) {
 
 func TestForkChoiceChainBellatrix(t *testing.T) {
 	if testing.Short() {
-		t.Skip("too slow for testing.Short")
+		t.Skip("slow test")
 	}
-
 	ctx := context.Background()
 	blocks, anchorState, _ := tests.GetBellatrixRandom()
 	cfg := clparams.MainnetBeaconConfig

cl/phase1/network/services/blob_sidecar_service_test.go

@@ -81,6 +81,9 @@ func setupBlobSidecarService(t *testing.T, ctrl *gomock.Controller, test bool) (
 }
 
 func TestBlobServiceUnsynced(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 
@@ -91,6 +94,9 @@ func TestBlobServiceUnsynced(t *testing.T) {
 }
 
 func TestBlobServiceInvalidIndex(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 

cl/phase1/network/services/data_column_sidecar_service_test.go

@@ -135,10 +135,6 @@ func createMockDataColumnSidecar(slot uint64, index uint64) *cltypes.DataColumnS
 }
 
 func TestDataColumnSidecarService(t *testing.T) {
-	if testing.Short() {
-		t.Skip()
-	}
-
 	suite.Run(t, &dataColumnSidecarTestSuite{})
 }
 

cl/utils/eth2shuffle/shuffle_test.go

@@ -64,9 +64,8 @@ func readEncodedListInput(input string, requiredLen int64, lineIndex int) ([]uin
 
 func TestAgainstSpec(t *testing.T) {
 	if testing.Short() {
-		t.Skip()
+		t.Skip("slow test")
 	}
-
 	// Open CSV file
 	f, err := os.Open("spec/tests.csv")
 	if err != nil {

cmd/utils/app/publishable_check_test.go

@@ -106,6 +106,9 @@ func Test_LastFileMissingForOneEnum(t *testing.T) {
 }
 
 func Test_VersionLessThanMin(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	dirs := datadir.New(t.TempDir())
 	touchFiles(t, dirs, []snapRange{
 		{0, 10}, {10, 20}, {20, 30},
@@ -136,6 +139,9 @@ func Test_VersionLessThanMin(t *testing.T) {
 }
 
 func Test_VersionMoreThanCurrent(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	dirs := datadir.New(t.TempDir())
 	touchFiles(t, dirs, []snapRange{
 		{0, 10}, {10, 20}, {20, 30},

db/rawdb/accessors_chain_test.go

@@ -321,6 +321,9 @@ func TestWriteRawTransactions_UniqueKeys(t *testing.T) {
 
 // Tests block header storage and retrieval operations.
 func TestHeaderStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	tx, err := m.DB.BeginRw(m.Ctx)
@@ -362,6 +365,9 @@ func TestHeaderStorage(t *testing.T) {
 
 // Tests block body storage and retrieval operations.
 func TestBodyStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	tx, err := m.DB.BeginRw(m.Ctx)
@@ -431,6 +437,9 @@ func TestBodyStorage(t *testing.T) {
 
 // Tests block storage and retrieval operations.
 func TestBlockStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	require := require.New(t)
@@ -549,6 +558,9 @@ func TestBlockStorage(t *testing.T) {
 
 // Tests that partial block contents don't get reassembled into full blocks.
 func TestPartialBlockStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	tx, err := m.DB.BeginRw(m.Ctx)
@@ -596,6 +608,9 @@ func TestPartialBlockStorage(t *testing.T) {
 
 // Tests block total difficulty storage and retrieval operations.
 func TestTdStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	tx, err := m.DB.BeginRw(m.Ctx)
@@ -641,6 +656,9 @@ func TestTdStorage(t *testing.T) {
 
 // Tests that canonical numbers can be mapped to hashes and retrieved.
 func TestCanonicalMappingStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	tx, err := m.DB.BeginRw(m.Ctx)
@@ -715,6 +733,9 @@ func TestHeadStorage2(t *testing.T) {
 
 // Tests that head headers and head blocks can be assigned, individually.
 func TestHeadStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	m.DB.(state.HasAgg).Agg().(*state.Aggregator).EnableDomain(kv.RCacheDomain)
@@ -740,6 +761,9 @@ func TestHeadStorage(t *testing.T) {
 
 // Tests that receipts associated with a single block can be stored and retrieved.
 func TestBlockReceiptStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	m.DB.(state.HasAgg).Agg().(*state.Aggregator).EnableDomain(kv.RCacheDomain)
@@ -850,6 +874,9 @@ func TestBlockReceiptStorage(t *testing.T) {
 
 // Tests block storage and retrieval operations with withdrawals.
 func TestBlockWithdrawalsStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	require := require.New(t)
@@ -1102,6 +1129,9 @@ func TestShanghaiBodyForStorageNoWithdrawals(t *testing.T) {
 }
 
 func TestBadBlocks(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	m := execmoduletester.New(t)
 	tx, err := m.DB.BeginRw(m.Ctx)

db/rawdb/accessors_indexes_test.go

@@ -39,6 +39,9 @@ import (
 
 // Tests that positional lookup metadata can be stored and retrieved.
 func TestLookupStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("slow test")
+	}
 	t.Parallel()
 	tests := []struct {
 		name                 string

db/recsplit/eliasfano32/elias_fano_test.go

@@ -94,9 +94,8 @@ func TestEliasFanoSeekBoundaries(t *testing.T) {
 
 func TestEliasFanoSeek(t *testing.T) {
 	if testing.Short() {
-		t.Skip()
+		t.Skip("slow test")
 	}
-
 	count := uint64(100_000)
 	maxOffset := (count - 1) * 123
 	ef := NewEliasFano(count, maxOffset)

db/snapshotsync/snapshots_test.go

@@ -345,9 +345,6 @@ func TestDeleteSnapshots(t *testing.T) {
 }
 
 func TestRemoveOverlaps(t *testing.T) {
-	if testing.Short() {
-		t.Skip()
-	}
 	mustSeeFile := func(files []string, fileNameWithoutVersion string) bool { //file-version agnostic
 		for _, f := range files {
 			if strings.HasSuffix(f, fileNameWithoutVersion) {

db/state/archive_test.go

@@ -32,10 +32,6 @@ import (
 )
 
 func TestArchiveWriter(t *testing.T) {
-	if testing.Short() {
-		t.Skip()
-	}
-
 	tmp := t.TempDir()
 	logger := log.New()