Refactor tests

Author: tangrufus

test/rails/app_env/credentials_test.rb renamed to test/units/app_env/credentials_test.rb

@@ -1,4 +1,5 @@
 require "minitest/mock"
+require_relative "../../test_helper"
 
 class Rails::AppEnv::CredentialsTest < ActiveSupport::TestCase
   test "Credentials#content_path returns 'config/credentials/{APP_ENV}.yml.enc' if the file exist" do

test/rails/app_env/environment_inquirer_test.rb renamed to test/units/app_env/environment_inquirer_test.rb

@@ -1,3 +1,5 @@
+require_relative "../../test_helper"
+
 class Rails::AppEnv::EnvironmentInquirerTest < ActiveSupport::TestCase
   test "EnvironmentInquirer is a kind of ActiveSupport::EnvironmentInquirer" do
     assert_kind_of ActiveSupport::EnvironmentInquirer, Rails::AppEnv::EnvironmentInquirer.new("foo")

test/rails/app_env_test.rb renamed to test/units/app_env_test.rb

@@ -1,4 +1,4 @@
-require "test_helper"
+require_relative "../test_helper"
 
 class Rails::AppEnvTest < ActiveSupport::TestCase
   test "it has a version number" do