Merge pull request #322 from oauth-xx/dependabot/bundler/rack-test-2.2.0

Bump rack-test from 2.1.0 to 2.2.0

Author: pboling

Gemfile.lock

@@ -83,7 +83,7 @@ GEM
     public_suffix (5.1.1)
     racc (1.8.1)
     rack (3.1.15)
-    rack-test (2.1.0)
+    rack-test (2.2.0)
       rack (>= 1.3)
     rainbow (3.1.1)
     rake (13.2.1)