[TESTS] MockVariable temporarily replaces a global value

defer test.MockVariable(&variable, 1234)()

(cherry picked from commit 9c78752444)
(cherry picked from commit d7795d7b25)

modules/test/utils.go

@@ -33,3 +33,11 @@ func RedirectURL(resp http.ResponseWriter) string {
 func IsNormalPageCompleted(s string) bool {
 	return strings.Contains(s, `<footer class="page-footer"`) && strings.Contains(s, `</html>`)
 }
+
+func MockVariable[T any](variable *T, mock T) func() {
+	original := *variable
+	*variable = mock
+	return func() {
+		*variable = original
+	}
+}