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

third_party/WebKit/LayoutTests/http/tests/streams/readable-streams/tee-expected.txt

Index: third_party/WebKit/LayoutTests/http/tests/streams/readable-streams/tee-expected.txt
diff --git a/third_party/WebKit/LayoutTests/http/tests/streams/readable-streams/tee-expected.txt b/third_party/WebKit/LayoutTests/http/tests/streams/readable-streams/tee-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cf49633802f925f0b648fdc4915f397095addf25
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/streams/readable-streams/tee-expected.txt
@@ -0,0 +1,45 @@
+This is a testharness.js-based test.
+Harness Error. harness_status.status = 1 , harness_status.message = 10 duplicate test names: "ReadableStream teeing: rs.tee() returns an array of two ReadableStreams", "ReadableStream teeing: should be able to read one branch to the end without affecting the other", "ReadableStream teeing: values should be equal across each branch", "ReadableStream teeing: errors in the source should propagate to both branches", "ReadableStream teeing: canceling branch1 should not impact branch2", "ReadableStream teeing: canceling branch2 should not impact branch2", "ReadableStream teeing: canceling both branches should aggregate the cancel reasons into an array", "ReadableStream teeing: failing to cancel the original stream should cause cancel() to reject on branches", "ReadableStream teeing: closing the original should immediately close the branches", "ReadableStream teeing: erroring the original should immediately error the branches"
+PASS ReadableStream teeing: rs.tee() returns an array of two ReadableStreams 
+PASS ReadableStream teeing: should be able to read one branch to the end without affecting the other 
+PASS ReadableStream teeing: values should be equal across each branch 
+PASS ReadableStream teeing: errors in the source should propagate to both branches 
+PASS ReadableStream teeing: canceling branch1 should not impact branch2 
+PASS ReadableStream teeing: canceling branch2 should not impact branch2 
+PASS ReadableStream teeing: canceling both branches should aggregate the cancel reasons into an array 
+PASS ReadableStream teeing: failing to cancel the original stream should cause cancel() to reject on branches 
+PASS ReadableStream teeing: closing the original should immediately close the branches 
+PASS ReadableStream teeing: erroring the original should immediately error the branches 
+PASS Untitled 
+PASS ReadableStream teeing: rs.tee() returns an array of two ReadableStreams 
+PASS ReadableStream teeing: should be able to read one branch to the end without affecting the other 
+PASS ReadableStream teeing: values should be equal across each branch 
+PASS ReadableStream teeing: errors in the source should propagate to both branches 
+PASS ReadableStream teeing: canceling branch1 should not impact branch2 
+PASS ReadableStream teeing: canceling branch2 should not impact branch2 
+PASS ReadableStream teeing: canceling both branches should aggregate the cancel reasons into an array 
+PASS ReadableStream teeing: failing to cancel the original stream should cause cancel() to reject on branches 
+PASS ReadableStream teeing: closing the original should immediately close the branches 
+PASS ReadableStream teeing: erroring the original should immediately error the branches 
+PASS ReadableStream teeing: rs.tee() returns an array of two ReadableStreams 
+PASS ReadableStream teeing: should be able to read one branch to the end without affecting the other 
+PASS ReadableStream teeing: values should be equal across each branch 
+PASS ReadableStream teeing: errors in the source should propagate to both branches 
+PASS ReadableStream teeing: canceling branch1 should not impact branch2 
+PASS ReadableStream teeing: canceling branch2 should not impact branch2 
+PASS ReadableStream teeing: canceling both branches should aggregate the cancel reasons into an array 
+PASS ReadableStream teeing: failing to cancel the original stream should cause cancel() to reject on branches 
+PASS ReadableStream teeing: closing the original should immediately close the branches 
+PASS ReadableStream teeing: erroring the original should immediately error the branches 
+PASS ReadableStream teeing: rs.tee() returns an array of two ReadableStreams 
+PASS ReadableStream teeing: should be able to read one branch to the end without affecting the other 
+PASS ReadableStream teeing: values should be equal across each branch 
+PASS ReadableStream teeing: errors in the source should propagate to both branches 
+PASS ReadableStream teeing: canceling branch1 should not impact branch2 
+PASS ReadableStream teeing: canceling branch2 should not impact branch2 
+PASS ReadableStream teeing: canceling both branches should aggregate the cancel reasons into an array 
+PASS ReadableStream teeing: failing to cancel the original stream should cause cancel() to reject on branches 
+PASS ReadableStream teeing: closing the original should immediately close the branches 
+PASS ReadableStream teeing: erroring the original should immediately error the branches 
+Harness: the test ran to completion.
+