bundle update rack in test app lock file

Author: deivid-rodriguez

test_app/Gemfile.lock

@@ -165,7 +165,7 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     public_suffix (3.0.0)
-    rack (2.0.5)
+    rack (2.0.6)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.1.6)