set followRedirect: false by default in tests (#4491)

* set followRedirect: false by default in tests

* update tests implicitly relying on redirects

Co-authored-by: repo-ranger[bot] <39074581+repo-ranger[bot]@users.noreply.github.com>

core/service-test-runner/icedfrisby-shields.js

@@ -22,6 +22,14 @@ const factory = superclass =>
       this.intercepted = false
     }
 
+    get(uri, options = { followRedirect: false }) {
+      if (!options.followRedirect) {
+        options.followRedirect = false
+      }
+      super.get(uri, options)
+      return this
+    }
+
     intercept(setup) {
       super.intercept(setup)
       this.intercepted = true