Add database adapter gems to test group

Author: Bramjetten

Gemfile

@@ -16,6 +16,11 @@ group :test do
   gem "simplecov"
   gem "codeclimate-test-reporter", "~> 1.0.0"
 
+  # Databases
+  gem "pg"
+  gem "mysql2"
+  gem "sqlite3"
+
   # System tests
   gem "capybara"
   gem "selenium-webdriver", "~> 4.11.0"

Gemfile.lock

@@ -196,6 +196,7 @@ GEM
     mocha (2.1.0)
       ruby2_keywords (>= 0.0.5)
     mutex_m (0.2.0)
+    mysql2 (0.5.6)
     net-imap (0.4.9.1)
       date
       net-protocol
@@ -209,6 +210,7 @@ GEM
     nokogiri (1.16.0)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    pg (1.5.8)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -292,6 +294,8 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
+    sqlite3 (2.1.0)
+      mini_portile2 (~> 2.8.0)
     stimulus-rails (1.3.3)
       railties (>= 6.0.0)
     stringio (3.1.0)
@@ -328,12 +332,15 @@ DEPENDENCIES
   letter_opener
   minitest-reporters
   mocha
+  mysql2
+  pg
   pry-rails
   puma
   rails-controller-testing
   selenium-webdriver (~> 4.11.0)
   simplecov
   spina!
+  sqlite3
 
 BUNDLED WITH
    2.4.18