diff --git a/vector/src/main/java/im/vector/app/features/voicebroadcast/recording/usecase/StartVoiceBroadcastUseCase.kt b/vector/src/main/java/im/vector/app/features/voicebroadcast/recording/usecase/StartVoiceBroadcastUseCase.kt
index 8a335eccac..85f72c09da 100644
--- a/vector/src/main/java/im/vector/app/features/voicebroadcast/recording/usecase/StartVoiceBroadcastUseCase.kt
+++ b/vector/src/main/java/im/vector/app/features/voicebroadcast/recording/usecase/StartVoiceBroadcastUseCase.kt
@@ -28,6 +28,7 @@ import im.vector.app.features.voicebroadcast.model.VoiceBroadcastState
 import im.vector.app.features.voicebroadcast.recording.VoiceBroadcastRecorder
 import im.vector.app.features.voicebroadcast.usecase.GetOngoingVoiceBroadcastsUseCase
 import im.vector.lib.multipicker.utils.toMultiPickerAudioType
+import org.jetbrains.annotations.VisibleForTesting
 import org.matrix.android.sdk.api.query.QueryStringValue
 import org.matrix.android.sdk.api.session.Session
 import org.matrix.android.sdk.api.session.events.model.EventType
@@ -57,28 +58,8 @@ class StartVoiceBroadcastUseCase @Inject constructor(
 
         Timber.d("## StartVoiceBroadcastUseCase: Start voice broadcast requested")
 
-        val powerLevelsHelper = room.getStateEvent(EventType.STATE_ROOM_POWER_LEVELS, QueryStringValue.IsEmpty)
-                ?.content
-                ?.toModel<PowerLevelsContent>()
-                ?.let { PowerLevelsHelper(it) }
-
-        when {
-            powerLevelsHelper?.isUserAllowedToSend(session.myUserId, true, VoiceBroadcastConstants.STATE_ROOM_VOICE_BROADCAST_INFO) != true -> {
-                Timber.d("## StartVoiceBroadcastUseCase: Cannot start voice broadcast: no permission")
-                throw VoiceBroadcastFailure.RecordingError.NoPermission
-            }
-            voiceBroadcastRecorder?.state == VoiceBroadcastRecorder.State.Recording || voiceBroadcastRecorder?.state == VoiceBroadcastRecorder.State.Paused -> {
-                Timber.d("## StartVoiceBroadcastUseCase: Cannot start voice broadcast: another voice broadcast")
-                throw VoiceBroadcastFailure.RecordingError.UserAlreadyBroadcasting
-            }
-            getOngoingVoiceBroadcastsUseCase.execute(roomId).isNotEmpty() -> {
-                Timber.d("## StartVoiceBroadcastUseCase: Cannot start voice broadcast: user already broadcasting")
-                throw VoiceBroadcastFailure.RecordingError.BlockedBySomeoneElse
-            }
-            else -> {
-                startVoiceBroadcast(room)
-            }
-        }
+        assertCanStartVoiceBroadcast(room)
+        startVoiceBroadcast(room)
     }
 
     private suspend fun startVoiceBroadcast(room: Room) {
@@ -124,4 +105,36 @@ class StartVoiceBroadcastUseCase @Inject constructor(
                 )
         )
     }
+
+    private fun assertCanStartVoiceBroadcast(room: Room) {
+        assertHasEnoughPowerLevels(room)
+        assertNoOngoingVoiceBroadcast(room)
+    }
+
+    @VisibleForTesting
+    fun assertHasEnoughPowerLevels(room: Room) {
+        val powerLevelsHelper = room.getStateEvent(EventType.STATE_ROOM_POWER_LEVELS, QueryStringValue.IsEmpty)
+                ?.content
+                ?.toModel<PowerLevelsContent>()
+                ?.let { PowerLevelsHelper(it) }
+
+        if (powerLevelsHelper?.isUserAllowedToSend(session.myUserId, true, VoiceBroadcastConstants.STATE_ROOM_VOICE_BROADCAST_INFO) != true) {
+            Timber.d("## StartVoiceBroadcastUseCase: Cannot start voice broadcast: no permission")
+            throw VoiceBroadcastFailure.RecordingError.NoPermission
+        }
+    }
+
+    @VisibleForTesting
+    fun assertNoOngoingVoiceBroadcast(room: Room) {
+        when {
+            voiceBroadcastRecorder?.state == VoiceBroadcastRecorder.State.Recording || voiceBroadcastRecorder?.state == VoiceBroadcastRecorder.State.Paused -> {
+                Timber.d("## StartVoiceBroadcastUseCase: Cannot start voice broadcast: another voice broadcast")
+                throw VoiceBroadcastFailure.RecordingError.UserAlreadyBroadcasting
+            }
+            getOngoingVoiceBroadcastsUseCase.execute(room.roomId).isNotEmpty() -> {
+                Timber.d("## StartVoiceBroadcastUseCase: Cannot start voice broadcast: user already broadcasting")
+                throw VoiceBroadcastFailure.RecordingError.BlockedBySomeoneElse
+            }
+        }
+    }
 }
diff --git a/vector/src/test/java/im/vector/app/features/voicebroadcast/usecase/StartVoiceBroadcastUseCaseTest.kt b/vector/src/test/java/im/vector/app/features/voicebroadcast/usecase/StartVoiceBroadcastUseCaseTest.kt
index 59929ef0d7..ef78f1c80d 100644
--- a/vector/src/test/java/im/vector/app/features/voicebroadcast/usecase/StartVoiceBroadcastUseCaseTest.kt
+++ b/vector/src/test/java/im/vector/app/features/voicebroadcast/usecase/StartVoiceBroadcastUseCaseTest.kt
@@ -26,15 +26,17 @@ import im.vector.app.test.fakes.FakeContext
 import im.vector.app.test.fakes.FakeRoom
 import im.vector.app.test.fakes.FakeRoomService
 import im.vector.app.test.fakes.FakeSession
-import io.mockk.clearAllMocks
 import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.every
+import io.mockk.justRun
 import io.mockk.mockk
 import io.mockk.slot
+import io.mockk.spyk
 import kotlinx.coroutines.test.runTest
 import org.amshove.kluent.shouldBe
 import org.amshove.kluent.shouldBeNull
+import org.junit.Before
 import org.junit.Test
 import org.matrix.android.sdk.api.session.events.model.Content
 import org.matrix.android.sdk.api.session.events.model.Event
@@ -51,14 +53,23 @@ class StartVoiceBroadcastUseCaseTest {
     private val fakeSession = FakeSession(fakeRoomService = FakeRoomService(fakeRoom))
     private val fakeVoiceBroadcastRecorder = mockk<VoiceBroadcastRecorder>(relaxed = true)
     private val fakeGetOngoingVoiceBroadcastsUseCase = mockk<GetOngoingVoiceBroadcastsUseCase>()
-    private val startVoiceBroadcastUseCase = StartVoiceBroadcastUseCase(
-            session = fakeSession,
-            voiceBroadcastRecorder = fakeVoiceBroadcastRecorder,
-            context = FakeContext().instance,
-            buildMeta = mockk(),
-            getOngoingVoiceBroadcastsUseCase = fakeGetOngoingVoiceBroadcastsUseCase,
+    private val startVoiceBroadcastUseCase = spyk(
+            StartVoiceBroadcastUseCase(
+                    session = fakeSession,
+                    voiceBroadcastRecorder = fakeVoiceBroadcastRecorder,
+                    context = FakeContext().instance,
+                    buildMeta = mockk(),
+                    getOngoingVoiceBroadcastsUseCase = fakeGetOngoingVoiceBroadcastsUseCase,
+            )
     )
 
+    @Before
+    fun setup() {
+        every { fakeRoom.roomId } returns A_ROOM_ID
+        justRun { startVoiceBroadcastUseCase.assertHasEnoughPowerLevels(fakeRoom) }
+        every { fakeVoiceBroadcastRecorder.state } returns VoiceBroadcastRecorder.State.Idle
+    }
+
     @Test
     fun `given a room id with potential several existing voice broadcast states when calling execute then the voice broadcast is started or not`() = runTest {
         val cases = VoiceBroadcastState.values()
@@ -83,7 +94,7 @@ class StartVoiceBroadcastUseCaseTest {
 
     private suspend fun testVoiceBroadcastStarted(voiceBroadcasts: List<VoiceBroadcast>) {
         // Given
-        clearAllMocks()
+        setup()
         givenVoiceBroadcasts(voiceBroadcasts)
         val voiceBroadcastInfoContentInterceptor = slot<Content>()
         coEvery { fakeRoom.stateService().sendStateEvent(any(), any(), capture(voiceBroadcastInfoContentInterceptor)) } coAnswers { AN_EVENT_ID }
@@ -106,7 +117,7 @@ class StartVoiceBroadcastUseCaseTest {
 
     private suspend fun testVoiceBroadcastNotStarted(voiceBroadcasts: List<VoiceBroadcast>) {
         // Given
-        clearAllMocks()
+        setup()
         givenVoiceBroadcasts(voiceBroadcasts)
 
         // When