Fix CORB tests using the wrong references

Problem uncovered by a recent change in WPT, see:
https://bugs.chromium.org/p/chromium/issues/detail?id=844781#c5

Bug: 844781
Change-Id: I6d3a51e7673ef28128b0ede4cbb0450a299730b5
Reviewed-on: https://chromium-review.googlesource.com/1065991
Reviewed-by: Łukasz Anforowicz <[email protected]>
Commit-Queue: Philip Jägenstedt <[email protected]>
Cr-Commit-Position: refs/heads/master@{#560268}

Author: foolip

fetch/corb/img-html-correctly-labeled.sub.html

@@ -6,6 +6,6 @@
 -->
 <meta charset="utf-8">
 <!-- Reference page uses same-origin resources, which are not CORB-eligible. -->
-<link rel="match" href="img-png-mislabeled-as-html.sub-ref.html">
+<link rel="match" href="img-html-correctly-labeled.sub-ref.html">
 <!-- www1 is cross-origin, so the HTTP response is CORB-eligible -->
 <img src="http://{{domains[www1]}}:{{ports[http][0]}}/fetch/corb/resources/html-correctly-labeled.html">

fetch/corb/img-png-mislabeled-as-html-nosniff.tentative.sub.html

@@ -6,6 +6,6 @@
 -->
 <meta charset="utf-8">
 <!-- Reference page uses same-origin resources, which are not CORB-eligible. -->
-<link rel="match" href="img-png-mislabeled-as-html.sub-ref.html">
+<link rel="match" href="img-png-mislabeled-as-html-nosniff.tentative.sub-ref.html">
 <!-- www1 is cross-origin, so the HTTP response is CORB-eligible -->
 <img src="http://{{domains[www1]}}:{{ports[http][0]}}/fetch/corb/resources/png-mislabeled-as-html-nosniff.png">