winmm/tests: Use the explicit CreateEventW() and don't bother testing it.

dlls/winmm/tests/capture.c

@@ -130,7 +130,7 @@ static void check_position(int device, HWAVEIN win, DWORD bytes,
 static void wave_in_test_deviceIn(int device, LPWAVEFORMATEX pwfx, DWORD format, DWORD flags, LPWAVEINCAPS pcaps)
 {
     HWAVEIN win;
-    HANDLE hevent;
+    HANDLE hevent = CreateEventW(NULL, FALSE, FALSE, NULL);
     WAVEHDR frag;
     MMRESULT rc;
     DWORD res;
@@ -139,11 +139,6 @@ static void wave_in_test_deviceIn(int device, LPWAVEFORMATEX pwfx, DWORD format,
     WORD wBitsPerSample = pwfx->wBitsPerSample;
     DWORD nSamplesPerSec = pwfx->nSamplesPerSec;
 
-    hevent=CreateEvent(NULL,FALSE,FALSE,NULL);
-    ok(hevent!=NULL,"CreateEvent(): error=%d\n",GetLastError());
-    if (hevent==NULL)
-        return;
-
     win=NULL;
     rc=waveInOpen(&win,device,pwfx,(DWORD_PTR)hevent,0,CALLBACK_EVENT|flags);
     /* Note: Win9x doesn't know WAVE_FORMAT_DIRECT */

dlls/winmm/tests/mixer.c

@@ -1069,8 +1069,7 @@ static void test_mixerOpen(void)
         if (rc == MMSYSERR_NOERROR)
             test_mixerClose(mix);
 
-        event = CreateEvent(NULL, FALSE, FALSE, NULL);
-        ok(event != NULL, "CreateEvent(): error=%d\n", GetLastError());
+        event = CreateEventW(NULL, FALSE, FALSE, NULL);
 
         /* NOTSUPPORTED is not broken, but it enables the todo_wine marker. */
         rc = mixerOpen(&mix, d, (DWORD_PTR)event, 0, CALLBACK_EVENT);

dlls/winmm/tests/wave.c

@@ -598,7 +598,7 @@ static void wave_out_test_deviceOut(int device, double duration,
                                     BOOL interactive, BOOL sine, BOOL pause)
 {
     HWAVEOUT wout;
-    HANDLE hevent;
+    HANDLE hevent = CreateEventW(NULL, FALSE, FALSE, NULL);
     WAVEHDR *frags = 0;
     MMRESULT rc;
     DWORD volume;
@@ -616,11 +616,6 @@ static void wave_out_test_deviceOut(int device, double duration,
     DWORD frag_length;
     int i, j;
 
-    hevent=CreateEvent(NULL,FALSE,FALSE,NULL);
-    ok(hevent!=NULL,"CreateEvent(): error=%d\n",GetLastError());
-    if (hevent==NULL)
-        return;
-
     if ((flags & CALLBACK_TYPEMASK) == CALLBACK_EVENT) {
         callback = (DWORD_PTR)hevent;
         callback_instance = 0;
@@ -1532,7 +1527,7 @@ static void test_fragmentsize(void)
     fmt.nAvgBytesPerSec = fmt.nBlockAlign * fmt.nSamplesPerSec;
     fmt.cbSize = sizeof(WAVEFORMATEX);
 
-    hevent = CreateEvent(NULL, FALSE, FALSE, NULL);
+    hevent = CreateEventW(NULL, FALSE, FALSE, NULL);
     g_tid = GetCurrentThreadId();
 
     rc = waveOutOpen(&wout, WAVE_MAPPER, &fmt, (DWORD_PTR)callback_func,