[Sheriff] Disable ContextProviderImplTest.CleansUpContextJobs.

Disable ContextProviderImplTest.CleansUpContextJobs in Fuchsia (flaky).


TBR=scottmg@chromium.org

Bug: 989085
Change-Id: Ief0416fc1f348a8d275dbfc0b8e53281dee09bbb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1729209Reviewed-by: vitaliii <vitaliii@chromium.org>
Commit-Queue: vitaliii <vitaliii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#682693}

fuchsia/engine/context_provider_impl_unittest.cc

@@ -33,6 +33,7 @@
 #include "base/path_service.h"
 #include "base/test/multiprocess_test.h"
 #include "base/test/test_timeouts.h"
+#include "build/build_config.h"
 #include "fuchsia/engine/common.h"
 #include "fuchsia/engine/fake_context.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -323,7 +324,13 @@ static bool WaitUntilJobIsEmpty(zx::unowned_job job, zx::duration timeout) {
 }
 
 // Regression test for https://crbug.com/927403 (Job leak per-Context).
-TEST_F(ContextProviderImplTest, CleansUpContextJobs) {
+// TODO(http://crbug.com/989085): Flakily fails on Fuchsia x64.
+#if defined(OS_FUCHSIA)
+#define MAYBE_CleansUpContextJobs DISABLED_CleansUpContextJobs
+#else
+#define MAYBE_CleansUpContextJobs CleansUpContextJobs
+#endif
+TEST_F(ContextProviderImplTest, MAYBE_CleansUpContextJobs) {
   // Replace the default job with one that is guaranteed to be empty.
   zx::job job;
   ASSERT_EQ(base::GetDefaultJob()->duplicate(ZX_RIGHT_SAME_RIGHTS, &job),