Disable flaky test

Documented in issue #124

.swiftpm/xcode/xcshareddata/xcschemes/SRGMediaPlayer.xcscheme

@@ -72,6 +72,9 @@
                <Test
                   Identifier = "PlaybackTestCase/testFixedStreamEndWithBuggyAkamaiMLS3StreamWithSubtitles">
                </Test>
+               <Test
+                  Identifier = "PlaybackTestCase/testNonStreamedMediaPlayback">
+               </Test>
                <Test
                   Identifier = "PlaybackTestCase/testOnDemandPlaybackStartAtTimeWithTolerances">
                </Test>

Tests/SRGMediaPlayerTests/PlaybackTestCase.m

@@ -844,6 +844,7 @@ - (void)testStreamedMediaPlayback
 
 - (void)testNonStreamedMediaPlayback
 {
+#warning "This test fails in the iOS and tvOS simulator since Mac OS 13.4, see issue #124"
     [self expectationForSingleNotification:SRGMediaPlayerPlaybackStateDidChangeNotification object:self.mediaPlayerController handler:^BOOL(NSNotification * _Nonnull notification) {
         XCTAssertEqual([notification.userInfo[SRGMediaPlayerPlaybackStateKey] integerValue], SRGMediaPlayerPlaybackStatePreparing);
         XCTAssertFalse([notification.userInfo[SRGMediaPlayerSelectedKey] boolValue]);