Mojo: Increase epsilon in tests.

mojo/system/simple_dispatcher_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // NOTE(vtl): Some of these tests are inherently flaky (e.g., if run on a
 // heavily-loaded system). Sorry. |kEpsilonMicros| may be increased to increase
 // tolerance and reduce observed flakiness.
 
 #include "mojo/system/simple_dispatcher.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/platform_thread.h"  // For |Sleep()|.
 #include "base/time/time.h"
 #include "mojo/system/test_utils.h"
 #include "mojo/system/waiter.h"
 #include "mojo/system/waiter_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace system {
 namespace {
 
 const int64_t kMicrosPerMs = 1000;
-const int64_t kEpsilonMicros = 15 * kMicrosPerMs;  // 15 ms.
+const int64_t kEpsilonMicros = 30 * kMicrosPerMs;  // 30 ms.
 
 class MockSimpleDispatcher : public SimpleDispatcher {
  public:
   MockSimpleDispatcher()
       : satisfied_flags_(MOJO_WAIT_FLAG_NONE),
         satisfiable_flags_(MOJO_WAIT_FLAG_READABLE | MOJO_WAIT_FLAG_WRITABLE) {}
 
   void SetSatisfiedFlags(MojoWaitFlags new_satisfied_flags) {
     base::AutoLock locker(lock());
 
@@ skipping 478 matching lines @@
     EXPECT_TRUE(did_wait[i]);
     EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, result[i]);
   }
 }
 
 // TODO(vtl): Stress test?
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo