Enforce usage of `TestScope.testScheduler`

features/leaveroom/impl/src/test/kotlin/io/element/android/features/leaveroom/impl/LeaveRoomPresenterImplTest.kt

@@ -213,5 +213,5 @@ private fun TestScope.createPresenter(
 ): LeaveRoomPresenter = LeaveRoomPresenterImpl(
     client = client,
     roomMembershipObserver = roomMembershipObserver,
-    dispatchers = testCoroutineDispatchers(testScheduler, false),
+    dispatchers = testCoroutineDispatchers(false),
 )

features/login/impl/src/test/kotlin/io/element/android/features/login/impl/screens/searchaccountprovider/SearchAccountProviderPresenterTest.kt

@@ -63,7 +63,7 @@ class SearchAccountProviderPresenterTest {
             AccountProviderDataSource()
         )
         val presenter = SearchAccountProviderPresenter(
-            HomeserverResolver(testCoroutineDispatchers(testScheduler), fakeWellknownRequest),
+            HomeserverResolver(testCoroutineDispatchers(), fakeWellknownRequest),
             changeServerPresenter
         )
         moleculeFlow(RecompositionClock.Immediate) {
@@ -87,7 +87,7 @@ class SearchAccountProviderPresenterTest {
             AccountProviderDataSource()
         )
         val presenter = SearchAccountProviderPresenter(
-            HomeserverResolver(testCoroutineDispatchers(testScheduler), fakeWellknownRequest),
+            HomeserverResolver(testCoroutineDispatchers(), fakeWellknownRequest),
             changeServerPresenter
         )
         moleculeFlow(RecompositionClock.Immediate) {
@@ -122,7 +122,7 @@ class SearchAccountProviderPresenterTest {
             AccountProviderDataSource()
         )
         val presenter = SearchAccountProviderPresenter(
-            HomeserverResolver(testCoroutineDispatchers(testScheduler), fakeWellknownRequest),
+            HomeserverResolver(testCoroutineDispatchers(), fakeWellknownRequest),
             changeServerPresenter
         )
         moleculeFlow(RecompositionClock.Immediate) {
@@ -157,7 +157,7 @@ class SearchAccountProviderPresenterTest {
             AccountProviderDataSource()
         )
         val presenter = SearchAccountProviderPresenter(
-            HomeserverResolver(testCoroutineDispatchers(testScheduler), fakeWellknownRequest),
+            HomeserverResolver(testCoroutineDispatchers(), fakeWellknownRequest),
             changeServerPresenter
         )
         moleculeFlow(RecompositionClock.Immediate) {

features/messages/impl/src/test/kotlin/io/element/android/features/messages/fixtures/timelineItemsFactory.kt

@@ -36,8 +36,9 @@ import io.element.android.libraries.dateformatter.test.FakeDaySeparatorFormatter
 import io.element.android.libraries.eventformatter.api.TimelineEventFormatter
 import io.element.android.libraries.matrix.api.timeline.item.event.EventTimelineItem
 import io.element.android.tests.testutils.testCoroutineDispatchers
+import kotlinx.coroutines.test.TestScope
 
-internal fun aTimelineItemsFactory(): TimelineItemsFactory {
+internal fun TestScope.aTimelineItemsFactory(): TimelineItemsFactory {
     val timelineEventFormatter = aTimelineEventFormatter()
     return TimelineItemsFactory(
         dispatchers = testCoroutineDispatchers(),

features/roomdetails/impl/src/test/kotlin/io/element/android/features/roomdetails/impl/invite/RoomInviteMembersPresenterTest.kt

@@ -38,6 +38,7 @@ import io.element.android.libraries.usersearch.api.UserSearchResult
 import io.element.android.libraries.usersearch.test.FakeUserRepository
 import io.element.android.tests.testutils.testCoroutineDispatchers
 import kotlinx.collections.immutable.ImmutableList
+import kotlinx.coroutines.test.TestScope
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
 
@@ -368,7 +369,7 @@ internal class RoomInviteMembersPresenterTest {
         }
     }
 
-    private fun createDataSource(
+    private fun TestScope.createDataSource(
         matrixRoom: MatrixRoom = aMatrixRoom().apply {
             givenRoomMembersState(MatrixRoomMembersState.Ready(aRoomMemberList()))
         },

features/roomdetails/impl/src/test/kotlin/io/element/android/features/roomdetails/members/RoomMemberListPresenterTests.kt

@@ -35,6 +35,7 @@ import io.element.android.libraries.matrix.api.room.MatrixRoomMembersState
 import io.element.android.libraries.matrix.test.room.FakeMatrixRoom
 import io.element.android.tests.testutils.testCoroutineDispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.TestScope
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
 
@@ -165,7 +166,7 @@ class RoomMemberListPresenterTests {
 }
 
 @ExperimentalCoroutinesApi
-private fun createDataSource(
+private fun TestScope.createDataSource(
     matrixRoom: MatrixRoom = aMatrixRoom().apply {
         givenRoomMembersState(MatrixRoomMembersState.Ready(aRoomMemberList()))
     },
@@ -173,7 +174,7 @@ private fun createDataSource(
 ) = RoomMemberListDataSource(matrixRoom, coroutineDispatchers)
 
 @ExperimentalCoroutinesApi
-private fun createPresenter(
+private fun TestScope.createPresenter(
     matrixRoom: MatrixRoom = FakeMatrixRoom(),
     roomMemberListDataSource: RoomMemberListDataSource = createDataSource(),
     coroutineDispatchers: CoroutineDispatchers = testCoroutineDispatchers()

tests/testutils/src/main/kotlin/io/element/android/tests/testutils/TestCoroutineDispatchers.kt

@@ -21,19 +21,16 @@ package io.element.android.tests.testutils
 import io.element.android.libraries.core.coroutine.CoroutineDispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.StandardTestDispatcher
-import kotlinx.coroutines.test.TestCoroutineScheduler
+import kotlinx.coroutines.test.TestScope
 import kotlinx.coroutines.test.UnconfinedTestDispatcher
 
 /**
  * Create a [CoroutineDispatchers] instance for testing.
  *
- * @param testScheduler The [TestCoroutineScheduler] to use. If using [runTest] use the one provided by its [TestScope].
- * If null the [TestDispatcher] logic will select one or create a new one.
  * @param useUnconfinedTestDispatcher If true, use [UnconfinedTestDispatcher] for all dispatchers.
  * If false, use [StandardTestDispatcher] for all dispatchers.
  */
-fun testCoroutineDispatchers(
-    testScheduler: TestCoroutineScheduler? = null,
+fun TestScope.testCoroutineDispatchers(
     useUnconfinedTestDispatcher: Boolean = true,
 ): CoroutineDispatchers = when (useUnconfinedTestDispatcher) {
     false -> CoroutineDispatchers(