Fix compilation warnings in test files

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: FelonEkonom

test/membrane/core/pipeline_test.exs

@@ -83,7 +83,7 @@ defmodule Membrane.Core.PipelineTest do
     end
 
     test "should raise if trying to spawn element with already taken name", %{state: state} do
-      state = %State{state | children: %{a: %{group: nil, name: :a}}}
+      state = %{state | children: %{a: %{group: nil, name: :a}}}
 
       assert_raise Membrane.ParentError, ~r/.*duplicate.*\[:a\]/i, fn ->
         ActionHandler.handle_action(
@@ -97,7 +97,7 @@ defmodule Membrane.Core.PipelineTest do
   end
 
   test "notification handling", %{state: state} do
-    state = %State{state | children: %{source: %{}}}
+    state = %{state | children: %{source: %{}}}
     notification = Message.new(:child_notification, [:source, :abc])
     assert {:noreply, state} = @module.handle_info(notification, state)
     assert %{internal_state: %{child_notification: {:abc, :source}}} = state
@@ -110,7 +110,7 @@ defmodule Membrane.Core.PipelineTest do
   end
 
   test "other messages handling", %{state: state} do
-    state = %State{state | children: %{source: %{}}}
+    state = %{state | children: %{source: %{}}}
     assert {:noreply, state} = @module.handle_info(:other_message, state)
     assert %{internal_state: %{other: :other_message}} = state
   end

test/membrane/integration/auto_demands_test.exs

@@ -88,10 +88,9 @@ defmodule Membrane.Integration.AutoDemandsTest do
         Enum.flat_map(payloads, &Enum.map(1..Integer.pow(factor, filters), fn _i -> &1 end))
 
       {in_payloads, out_payloads} =
-        case direction do
-          :up -> {payloads, mult_payloads}
-          :down -> {mult_payloads, payloads}
-        end
+        if direction == :up,
+          do: {payloads, mult_payloads},
+          else: {mult_payloads, payloads}
 
       filter = %ExponentialAutoFilter{factor: factor, direction: direction}
 

test/membrane/integration/demands_test.exs

@@ -217,7 +217,7 @@ defmodule Membrane.Integration.DemandsTest do
 
     @impl true
     def handle_buffer(pad, buffer, ctx, state) do
-      buffer = %Membrane.Buffer{buffer | metadata: pad}
+      buffer = %{buffer | metadata: pad}
 
       {pad_counter, state} = get_and_update_in(state, [:pads_counters, pad], &{&1, &1 + 1})
 

…e/integration/sync_test/ticking_pace.exs …egration/sync_test/ticking_pace_test.exstest/membrane/integration/sync_test/ticking_pace.exs renamed to test/membrane/integration/sync_test/ticking_pace_test.exs test/membrane/integration/sync_test/ticking_pace.exs renamed to test/membrane/integration/sync_test/ticking_pace_test.exs

@@ -215,14 +215,14 @@ defmodule Membrane.TelemetryTest do
                  from: ":filter",
                  pad_from: ":output",
                  pad_to: ":input",
-                 parent_component_path: _path,
+                 parent_component_path: path,
                  to: ":sink"
                },
                %{
                  from: ":source",
                  pad_from: ":output",
                  pad_to: ":input",
-                 parent_component_path: _path,
+                 parent_component_path: path,
                  to: ":filter"
                }
              ] = Enum.sort([link1.value, link2.value])