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

third_party/WebKit/LayoutTests/virtual/mojo-loading/http/tests/streams/writable-streams/brand-checks.https-expected.txt

Index: third_party/WebKit/LayoutTests/virtual/mojo-loading/http/tests/streams/writable-streams/brand-checks.https-expected.txt
diff --git a/third_party/WebKit/LayoutTests/virtual/mojo-loading/http/tests/streams/writable-streams/brand-checks.https-expected.txt b/third_party/WebKit/LayoutTests/virtual/mojo-loading/http/tests/streams/writable-streams/brand-checks.https-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..02aff19025e998c97b860041eeec4dc7041bb43a
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/virtual/mojo-loading/http/tests/streams/writable-streams/brand-checks.https-expected.txt
@@ -0,0 +1,29 @@
+This is a testharness.js-based test.
+Harness Error. harness_status.status = 1 , harness_status.message = 6 duplicate test names: "WritableStreamDefaultWriter.prototype.desiredSize enforces a brand check", "WritableStreamDefaultWriter.prototype.closed enforces a brand check", "WritableStreamDefaultWriter.prototype.ready enforces a brand check", "WritableStreamDefaultWriter.prototype.abort enforces a brand check", "WritableStreamDefaultWriter.prototype.write enforces a brand check", "WritableStreamDefaultWriter.prototype.close enforces a brand check"
+PASS WritableStreamDefaultWriter.prototype.desiredSize enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.closed enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.ready enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.abort enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.write enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.close enforces a brand check 
+PASS Untitled 
+PASS WritableStreamDefaultWriter.prototype.desiredSize enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.closed enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.ready enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.abort enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.write enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.close enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.desiredSize enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.closed enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.ready enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.abort enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.write enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.close enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.desiredSize enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.closed enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.ready enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.abort enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.write enforces a brand check 
+PASS WritableStreamDefaultWriter.prototype.close enforces a brand check 
+Harness: the test ran to completion.
+