winmm/tests: Skip tests if MIDI cannot be opened.

dlls/winmm/tests/midi.c

@@ -227,6 +227,11 @@ static void test_midiOut_device(UINT udev, HWND hwnd)
         rc = midiOutOpen(&hm, udev, (DWORD_PTR)hwnd, (DWORD_PTR)MYCBINST, CALLBACK_WINDOW);
     else
         rc = midiOutOpen(&hm, udev, (DWORD_PTR)callback_func, (DWORD_PTR)MYCBINST, CALLBACK_FUNCTION);
+    if (rc == MMSYSERR_NOTSUPPORTED)
+    {
+        skip( "MIDI out not supported\n" );
+        return;
+    }
     ok(!rc, "midiOutOpen(dev=%d) rc=%s\n", udev, mmsys_error(rc));
     if (rc) return;
 
@@ -382,6 +387,11 @@ static void test_midiStream(UINT udev, HWND hwnd)
         rc = midiStreamOpen(&hm, &udev, 1, (DWORD_PTR)hwnd, (DWORD_PTR)MYCBINST, CALLBACK_WINDOW);
     else
         rc = midiStreamOpen(&hm, &udev, 1, (DWORD_PTR)callback_func, (DWORD_PTR)MYCBINST, CALLBACK_FUNCTION);
+    if (rc == MMSYSERR_NOTSUPPORTED)
+    {
+        skip( "MIDI stream not supported\n" );
+        return;
+    }
     ok(!rc, "midiStreamOpen(dev=%d) rc=%s\n", udev, mmsys_error(rc));
     if (rc) return;