Initialize and uninitialize COM properly.

dlls/dsound/tests/capture.c

@@ -513,6 +513,8 @@ START_TEST(capture)
 {
     HMODULE hDsound;
 
+    CoInitialize(NULL);
+
     hDsound = LoadLibraryA("dsound.dll");
     if (!hDsound) {
         trace("dsound.dll not found\n");
@@ -527,4 +529,6 @@ START_TEST(capture)
     }
 
     capture_tests();
+
+    CoUninitialize();
 }

dlls/dsound/tests/ds3d.c

@@ -1198,5 +1198,9 @@ static void ds3d_tests()
 
 START_TEST(ds3d)
 {
+    CoInitialize(NULL);
+
     ds3d_tests();
+
+    CoUninitialize();
 }

dlls/dsound/tests/ds3d8.c

@@ -1130,4 +1130,6 @@ START_TEST(ds3d8)
     }
 
     ds3d8_tests();
+
+    CoUninitialize();
 }

dlls/dsound/tests/dsound.c

@@ -756,4 +756,6 @@ START_TEST(dsound)
 
     IDirectSound_tests();
     dsound_tests();
+
+    CoUninitialize();
 }

dlls/dsound/tests/dsound8.c

@@ -791,4 +791,6 @@ START_TEST(dsound8)
 
     IDirectSound8_tests();
     dsound8_tests();
+
+    CoUninitialize();
 }

dlls/dsound/tests/propset.c

@@ -408,6 +408,10 @@ static void propset_buffer_tests()
 
 START_TEST(propset)
 {
+    CoInitialize(NULL);
+
     propset_private_tests();
     propset_buffer_tests();
+
+    CoUninitialize();
 }