Reuse the existing FakeOAuthActionFlow in RootFlowNodeTest

RootFlowNodeTest was declaring its own no-op fake, while the oauth test
module already provides one. Use it, and move it out of the customtab
package, since it is not specific to the custom tabs.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

appnav/src/test/kotlin/io/element/android/appnav/RootFlowNodeTest.kt

@@ -51,9 +51,8 @@ import io.element.android.libraries.matrix.test.FakeSdkMetadata
 import io.element.android.libraries.matrix.test.auth.FakeMatrixAuthenticationService
 import io.element.android.libraries.matrix.test.permalink.FakePermalinkParser
 import io.element.android.libraries.matrix.ui.media.test.FakeImageLoaderHolder
-import io.element.android.libraries.oauth.api.OAuthAction
-import io.element.android.libraries.oauth.api.OAuthActionFlow
 import io.element.android.libraries.oauth.test.FakeOAuthIntentResolver
+import io.element.android.libraries.oauth.test.FakeOAuthActionFlow
 import io.element.android.libraries.preferences.test.FakeSessionPreferencesStoreFactory
 import io.element.android.libraries.sessionstorage.api.SessionStore
 import io.element.android.libraries.sessionstorage.test.InMemorySessionStore
@@ -63,7 +62,6 @@ import io.element.android.services.apperror.test.FakeAppErrorStateService
 import io.element.android.tests.testutils.robolectric.RobolectricTest
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.flow.FlowCollector
 import kotlinx.coroutines.test.TestScope
 import kotlinx.coroutines.test.runCurrent
 import kotlinx.coroutines.test.runTest
@@ -210,12 +208,6 @@ private class FakeSyncOrchestratorFactory : SyncOrchestrator.Factory {
     override fun create(matrixClient: MatrixClient, sessionCoroutineScope: CoroutineScope): SyncOrchestrator = error("Not used")
 }
 
-private class FakeOAuthActionFlow : OAuthActionFlow {
-    override fun post(oAuthAction: OAuthAction) = Unit
-    override suspend fun collect(collector: FlowCollector<OAuthAction?>) = Unit
-    override fun reset() = Unit
-}
-
 private class FakeNodeFactoriesBindings(
     private val nodeFactories: Map<KClass<out Node>, AssistedNodeFactory<*>>,
 ) : NodeFactoriesBindings {

features/login/impl/src/test/kotlin/io/element/android/features/login/impl/DefaultLoginEntryPointTest.kt

@@ -16,7 +16,7 @@ import io.element.android.features.login.api.LoginEntryPoint
 import io.element.android.features.login.impl.accountprovider.anAccountProviderDataSource
 import io.element.android.features.login.impl.classic.FakeElementClassicConnection
 import io.element.android.features.preferences.test.FakePreferencesEntryPoint
-import io.element.android.libraries.oauth.test.customtab.FakeOAuthActionFlow
+import io.element.android.libraries.oauth.test.FakeOAuthActionFlow
 import io.element.android.tests.testutils.lambda.lambdaError
 import io.element.android.tests.testutils.node.TestParentNode
 import kotlinx.coroutines.test.runTest

features/login/impl/src/test/kotlin/io/element/android/features/login/impl/screens/confirmaccountprovider/ConfirmAccountProviderPresenterTest.kt

@@ -28,7 +28,7 @@ import io.element.android.libraries.matrix.test.auth.FakeMatrixAuthenticationSer
 import io.element.android.libraries.matrix.test.auth.aMatrixHomeServerDetails
 import io.element.android.libraries.oauth.api.OAuthAction
 import io.element.android.libraries.oauth.api.OAuthActionFlow
-import io.element.android.libraries.oauth.test.customtab.FakeOAuthActionFlow
+import io.element.android.libraries.oauth.test.FakeOAuthActionFlow
 import io.element.android.libraries.permissions.test.FakeLocalNetworkPermissionAdvisor
 import io.element.android.libraries.permissions.test.FakePermissionsPresenter
 import io.element.android.libraries.permissions.test.FakePermissionsPresenterFactory

features/login/impl/src/test/kotlin/io/element/android/features/login/impl/screens/onboarding/OnBoardingPresenterTest.kt

@@ -33,7 +33,7 @@ import io.element.android.libraries.matrix.test.A_LOGIN_HINT
 import io.element.android.libraries.matrix.test.auth.FakeMatrixAuthenticationService
 import io.element.android.libraries.matrix.test.core.aBuildMeta
 import io.element.android.libraries.oauth.api.OAuthActionFlow
-import io.element.android.libraries.oauth.test.customtab.FakeOAuthActionFlow
+import io.element.android.libraries.oauth.test.FakeOAuthActionFlow
 import io.element.android.libraries.permissions.api.PermissionsPresenter
 import io.element.android.libraries.permissions.api.localnetwork.LocalNetworkPermissionAdvisor
 import io.element.android.libraries.permissions.test.FakeLocalNetworkPermissionAdvisor

libraries/oauth/test/src/main/kotlin/io/element/android/libraries/oauth/test/FakeOAuthActionFlow.kt

@@ -6,7 +6,7 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-package io.element.android.libraries.oauth.test.customtab
+package io.element.android.libraries.oauth.test
 
 import io.element.android.libraries.oauth.api.OAuthAction
 import io.element.android.libraries.oauth.api.OAuthActionFlow