diff --git a/taskcluster/ci/test/web-platform.yml b/taskcluster/ci/test/web-platform.yml
index 39654f83fe11..ad1ca56a7cdd 100644
--- a/taskcluster/ci/test/web-platform.yml
+++ b/taskcluster/ci/test/web-platform.yml
@@ -81,9 +81,8 @@ web-platform-tests:
         by-variant:
             fission:
                 by-test-platform:
-                    linux.*64-qr/debug: ['trunk']
-                    linux.*64(-shippable)?-qr/opt: ['trunk']
-                    windows10-64(-shippable)?-qr/opt: ['trunk']
+                    (linux.*64|windows10-64)-qr/debug: ['trunk']
+                    (linux.*64|windows10-64)(-shippable)?-qr/opt: ['trunk']
                     default: []
             default:
                 by-test-platform:
diff --git a/testing/web-platform/meta/fetch/api/basic/stream-response.any.js.ini b/testing/web-platform/meta/fetch/api/basic/stream-response.any.js.ini
index f5075b71bcb8..583b5abc4b6b 100644
--- a/testing/web-platform/meta/fetch/api/basic/stream-response.any.js.ini
+++ b/testing/web-platform/meta/fetch/api/basic/stream-response.any.js.ini
@@ -1,6 +1,7 @@
 [stream-response.any.sharedworker.html]
   expected:
     if os == "mac": ["OK", "ERROR", "CRASH"]
+    if (os == "win") and fission and debug: ["OK", "CRASH"]
 
 [stream-response.any.html]
   expected: