Fix CompilerDispatcherJobTest::CompileFailureToFinalize on local runs.

test/unittests/compiler-dispatcher/compiler-dispatcher-job-unittest.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <memory>
 
 #include "include/v8.h"
 #include "src/api.h"
 #include "src/ast/scopes.h"
 #include "src/compiler-dispatcher/compiler-dispatcher-job.h"
@@ skipping 197 matching lines @@
   ASSERT_TRUE(job->status() == CompileJobStatus::kFailed);
   ASSERT_TRUE(i_isolate()->has_pending_exception());
 
   i_isolate()->clear_pending_exception();
   job->ResetOnMainThread();
   ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
 }
 
 TEST_F(CompilerDispatcherJobTest, CompileFailureToFinalize) {
   std::string raw_script("() { var a = ");
-  for (int i = 0; i < 2000; i++) {
+  for (int i = 0; i < 1000; i++) {
     raw_script += "'x' + ";
   }
   raw_script += " 'x'; }";
   ScriptResource script(raw_script.c_str(), strlen(raw_script.c_str()));
   std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
-      i_isolate(), CreateFunction(i_isolate(), &script), 100));
+      i_isolate(), CreateFunction(i_isolate(), &script), 50));
 
   job->PrepareToParseOnMainThread();
   job->Parse();
   job->FinalizeParsingOnMainThread();
   job->PrepareToCompileOnMainThread();
   job->Compile();
   ASSERT_FALSE(job->FinalizeCompilingOnMainThread());
   ASSERT_TRUE(job->status() == CompileJobStatus::kFailed);
   ASSERT_TRUE(i_isolate()->has_pending_exception());
 
   i_isolate()->clear_pending_exception();
   job->ResetOnMainThread();
   ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
 }
 
 }  // namespace internal
 }  // namespace v8