Disable remaining tests that fail on the Linux desktop CrOS GN builds.

ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc

Index: ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc
diff --git a/ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc b/ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc
index 273768274e30e0daceed649e0681f9eb0c1f6bd6..4a72313b253292c538127c4fd8d998b14e5f1379 100644
--- a/ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc
+++ b/ui/gl/gl_image_ozone_native_pixmap_drm_unittest.cc
@@ -129,11 +129,15 @@ class GLImageOzoneNativePixmapDrmTestDelegate {
  private:
 };
 
-INSTANTIATE_TYPED_TEST_CASE_P(GLImageOzoneNativePixmapDrm,
+
+// TODO(crbug.com/618516) - The tests in this file can only be run
+// on a real device, and not on linux desktop builds, so they are
+// disabled until they can correctly detect the environment and do
+INSTANTIATE_TYPED_TEST_CASE_P(DISABLED_GLImageOzoneNativePixmapDrm,
                               GLImageTest,
                               GLImageOzoneNativePixmapDrmTestDelegate);
 
-INSTANTIATE_TYPED_TEST_CASE_P(GLImageOzoneNativePixmapDrm,
+INSTANTIATE_TYPED_TEST_CASE_P(DISABLED_GLImageOzoneNativePixmapDrm,
                               GLImageBindTest,
                               GLImageOzoneNativePixmapDrmTestDelegate);