Chore: Added tests for contacts_controller (#509)

- Tests for contacts controller
Addresses:  #37

spec/rails_helper.rb

@@ -69,3 +69,8 @@ Shoulda::Matchers.configure do |config|
     with.library :rails
   end
 end
+
+# Required for fixture_file_upload
+FactoryBot::SyntaxRunner.class_eval do
+  include ActionDispatch::TestProcess
+end