[inspector] Increased chances of successful InjectedScriptSource compilation

test/inspector/runtime/runtime-evaluate-with-dirty-context.js

+// Copyright 2017 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.
+
+InspectorTest.log('Checks that Runtime.evaluate works with dirty context.');
+InspectorTest.setupInjectedScriptEnvironment();
+Protocol.Runtime.enable();
+Protocol.Runtime.onConsoleAPICalled(InspectorTest.logMessage);
+Protocol.Runtime.evaluate({expression: 'console.log(42)'})
+  .then(InspectorTest.logMessage)
+  .then(InspectorTest.completeTest);