Fixes minor issue in AudioDeviceTest.RunPlayoutAndRecordingInFullDuplex for iOS

webrtc/modules/audio_device/ios/audio_device_unittest_ios.cc

Index: webrtc/modules/audio_device/ios/audio_device_unittest_ios.cc
diff --git a/webrtc/modules/audio_device/ios/audio_device_unittest_ios.cc b/webrtc/modules/audio_device/ios/audio_device_unittest_ios.cc
index 96081d0f3887f7269fea6b2f23e60e92e7982192..1641572040099feef69cdbed6d588c3d230153ab 100644
--- a/webrtc/modules/audio_device/ios/audio_device_unittest_ios.cc
+++ b/webrtc/modules/audio_device/ios/audio_device_unittest_ios.cc
@@ -583,7 +583,6 @@ class AudioDeviceTest : public ::testing::Test {
   }
 
   void StartPlayout() {
-    EXPECT_FALSE(audio_device()->PlayoutIsInitialized());
     EXPECT_FALSE(audio_device()->Playing());
     EXPECT_EQ(0, audio_device()->InitPlayout());
     EXPECT_TRUE(audio_device()->PlayoutIsInitialized());
@@ -594,11 +593,9 @@ class AudioDeviceTest : public ::testing::Test {
   void StopPlayout() {
     EXPECT_EQ(0, audio_device()->StopPlayout());
     EXPECT_FALSE(audio_device()->Playing());
-    EXPECT_FALSE(audio_device()->PlayoutIsInitialized());
   }
 
   void StartRecording() {
-    EXPECT_FALSE(audio_device()->RecordingIsInitialized());
     EXPECT_FALSE(audio_device()->Recording());
     EXPECT_EQ(0, audio_device()->InitRecording());
     EXPECT_TRUE(audio_device()->RecordingIsInitialized());