tests/kms_flip_event_leak: no need to clear black with black

created framebuffers were uselessly painted black which just wasted
time from ci.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

tests/kms_flip_event_leak.c

@@ -55,10 +55,10 @@ static void test(data_t *data, enum pipe pipe, igt_output_t *output)
 	primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
 	mode = igt_output_get_mode(output);
 
-	igt_create_color_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
-			    DRM_FORMAT_XRGB8888,
-			    DRM_FORMAT_MOD_LINEAR,
-			    0.0, 0.0, 0.0, &fb[0]);
+	igt_create_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
+		      DRM_FORMAT_XRGB8888,
+		      DRM_FORMAT_MOD_LINEAR,
+		      &fb[0]);
 
 	igt_plane_set_fb(primary, &fb[0]);
 	igt_display_commit2(&data->display, COMMIT_LEGACY);
@@ -69,10 +69,10 @@ static void test(data_t *data, enum pipe pipe, igt_output_t *output)
 
 	igt_device_set_master(fd);
 
-	igt_create_color_fb(fd, mode->hdisplay, mode->vdisplay,
-			    DRM_FORMAT_XRGB8888,
-			    DRM_FORMAT_MOD_LINEAR,
-			    0.0, 0.0, 0.0, &fb[1]);
+	igt_create_fb(fd, mode->hdisplay, mode->vdisplay,
+		      DRM_FORMAT_XRGB8888,
+		      DRM_FORMAT_MOD_LINEAR,
+		      &fb[1]);
 	ret = drmModePageFlip(fd, output->config.crtc->crtc_id,
 			      fb[1].fb_id, DRM_MODE_PAGE_FLIP_EVENT,
 			      data);