Example https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Win7%20Tests%20%28dbg%29%281%29/70143

Output difference one more line:

--- e:\b\s\w\iokei27a\layout-test-results\http/tests/devtools/persistence/persistence-move-breakpoints-on-reload-expected.txt
+++ e:\b\s\w\iokei27a\layout-test-results\http/tests/devtools/persistence/persistence-move-breakpoints-on-reload-actual.txt
@@ -11,4 +11,5 @@
 Running: reloadPageAndDumpBreakpoints
 Page reloaded.
     file:///var/www/devtools/persistence/resources/foo.js:0
+    http://127.0.0.1:8000/devtools/persistence/resources/foo.js:2