Add suggestion to use "no-cors" with Fetch fails CORS check.

LayoutTests/http/tests/security/script-crossorigin-redirect-no-cors-expected.txt

Index: LayoutTests/http/tests/security/script-crossorigin-redirect-no-cors-expected.txt
diff --git a/LayoutTests/http/tests/security/script-crossorigin-redirect-no-cors-expected.txt b/LayoutTests/http/tests/security/script-crossorigin-redirect-no-cors-expected.txt
index c67cf4dc2ac7dcb61d4575d8806c9fe5eac1e80b..c37cf29fa438299350e3ed7a7c9b860803b99b03 100644
--- a/LayoutTests/http/tests/security/script-crossorigin-redirect-no-cors-expected.txt
+++ b/LayoutTests/http/tests/security/script-crossorigin-redirect-no-cors-expected.txt
@@ -1,7 +1,7 @@
-CONSOLE ERROR: Redirect at origin 'http://localhost:8000' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access.
-CONSOLE ERROR: Redirect at origin 'http://localhost:8000' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access.
-CONSOLE ERROR: Redirect at origin 'http://localhost:8000' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access.
-CONSOLE ERROR: Redirect at origin 'http://localhost:8000' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access.
+CONSOLE ERROR: Redirect at origin 'http://localhost:8000' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access. Alternatively, if you want an opaque response, switch to The Fetch API in 'no-cors' mode.
+CONSOLE ERROR: Redirect at origin 'http://localhost:8000' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access. Alternatively, if you want an opaque response, switch to The Fetch API in 'no-cors' mode.
+CONSOLE ERROR: Redirect at origin 'http://localhost:8000' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access. Alternatively, if you want an opaque response, switch to The Fetch API in 'no-cors' mode.
+CONSOLE ERROR: Redirect at origin 'http://localhost:8000' has been blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access. Alternatively, if you want an opaque response, switch to The Fetch API in 'no-cors' mode.
 Testing the handling of CORS-enabled
 
 PASS/FAIL descriptions are of the form, 'CORS request type': 'redirect CORS type' => 'resource'