Tests that webInspector.inspectedWindow.eval() only evaluates in the correct execution context

Started extension.
Running tests...
RUNNING TEST: extension_testEvaluateInFixedExecutionContext
error: Request Runtime.evaluate failed. {"code":-32602,"message":"uniqueContextId not found"}
error: uniqueContextId not found
error: Extension server error: Inspector protocol error: uniqueContextId not found
Got error, as expected: {"code":"E_PROTOCOLERROR","description":"Inspector protocol error: %s","details":["uniqueContextId not found"],"isError":true}
All tests done.