Add minitest-mock as a development dependency

Author: KaanOzkan

Gemfile

@@ -6,6 +6,7 @@ source "https://rubygems.org"
 gemspec
 
 gem "minitest"
+gem "minitest-mock"
 
 group :development do
   gem "debug"

Gemfile.lock

@@ -34,6 +34,7 @@ GEM
     logger (1.7.0)
     minitest (6.0.0)
       prism (~> 1.5)
+    minitest-mock (5.27.0)
     minitest-reporters (1.7.1)
       ansi
       builder
@@ -128,6 +129,7 @@ DEPENDENCIES
   bundler (>= 2.2.10)
   debug
   minitest
+  minitest-mock
   minitest-reporters
   rake (~> 13.3.0)
   rubocop-shopify