d3d10core/tests: Port alpha_test() to d3d10core.

dlls/d3d8/tests/visual.c

@@ -2104,7 +2104,7 @@ done:
     DestroyWindow(window);
 }
 
-static void alpha_test(void)
+static void test_blend(void)
 {
     IDirect3DSurface8 *backbuffer, *offscreen, *depthstencil;
     IDirect3DTexture8 *offscreenTexture;
@@ -5393,7 +5393,7 @@ START_TEST(visual)
     fog_test();
     z_range_test();
     offscreen_test();
-    alpha_test();
+    test_blend();
     test_scalar_instructions();
     fog_with_shader_test();
     cnd_test();

dlls/d3d9/tests/visual.c

@@ -7776,7 +7776,7 @@ done:
     DestroyWindow(window);
 }
 
-static void alpha_test(void)
+static void test_blend(void)
 {
     IDirect3DSurface9 *backbuffer, *offscreen;
     IDirect3DTexture9 *offscreenTexture;
@@ -17003,7 +17003,7 @@ START_TEST(visual)
     maxmip_test();
     offscreen_test();
     ds_size_test();
-    alpha_test();
+    test_blend();
     shademode_test();
     srgbtexture_test();
     release_buffer_test();

dlls/ddraw/tests/visual.c

@@ -929,7 +929,7 @@ out:
     }
 }
 
-static void alpha_test(IDirect3DDevice7 *device)
+static void test_blend(IDirect3DDevice7 *device)
 {
     HRESULT hr;
     IDirectDrawSurface7 *backbuffer = NULL, *offscreen = NULL;
@@ -3277,7 +3277,7 @@ START_TEST(visual)
     clear_test(Direct3DDevice);
     fog_test(Direct3DDevice);
     offscreen_test(Direct3DDevice);
-    alpha_test(Direct3DDevice);
+    test_blend(Direct3DDevice);
     rhw_zero_test(Direct3DDevice);
     cubemap_test(Direct3DDevice);