Revert of Fix testharness result parsing, make "Harness error" count as failure.

third_party/WebKit/LayoutTests/http/tests/fetch/serviceworker/response-expected.txt

-This is a testharness.js-based test.
-Harness Error. harness_status.status = 1 , harness_status.message = 1 duplicate test name: "Response constructed with a stream"
-PASS Startup 
-PASS response 
-PASS Response default value test 
-PASS Construct a Response with null body using undefined. 
-PASS Construct a Response with null body using null. 
-PASS Response constructor test 
-PASS Response content type test 
-PASS Response throw error test 
-PASS Cancel body stream on Response 
-PASS call text() on null body response 
-PASS call arrayBuffer() on null body response 
-PASS call blob() on null body response 
-PASS call json() on null body response 
-PASS Clone on Response (text) 
-PASS Clone on Response (manual read) 
-PASS Used => clone 
-PASS Locked => clone 
-PASS MIME type for Blob 
-PASS MIME type for Blob with non-empty type 
-PASS MIME type for FormData 
-PASS MIME type for USVString 
-PASS Extract a MIME type with clone 
-PASS MIME type unchanged if headers are modified after Response() constructor 
-PASS Extract a MIME type (1) 
-PASS Response.error() 
-PASS Response.redirect() with default status value 
-PASS Response.redirect() with 301 
-PASS Response.redirect() with URLs with CR or LF 
-PASS Response constructed with a stream 
-PASS Response constructed with a stream 
-PASS Response constructed with a String / Read from body stream 
-PASS Response constructed with a stream / Read from body stream 
-PASS Response constructed with an errored stream 
-PASS Response constructed with a locked stream 
-PASS Response constructed stream with an undefined chunk 
-PASS Response constructed stream with a null chunk 
-PASS Response constructed stream with a string chunk 
-Harness: the test ran to completion.
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