test: handle another error when RST server is not found

Author: Bogdanp

http-easy-test/net/http-easy/http-easy.rkt

@@ -466,7 +466,8 @@
                   (get-output-string out)))
               ;; The server is not available on older versions of
               ;; Racket, so deal with that possibility.
-              (unless (regexp-match? #rx"open-input-file: cannot open module file" err)
+              (unless (or (regexp-match? #rx"standard-module-name-resolver: collection not found" err)
+                          (regexp-match? #rx"open-input-file: cannot open module file" err))
                 (fail-check err))]))
          (lambda ()
            (control 'interrupt)