Fixed Simplecov issue.

Moved Simplecov initialization from spec_helper to rails_helper so it's the first thing that runs and picks up all files.

spec/rails_helper.rb

@@ -1,5 +1,20 @@
 # frozen_string_literal: true
 
+# Simplecov MUST be called before anything else
+unless ENV['nocoverage']
+  require 'simplecov'
+  require 'simplecov-console'
+  SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new(
+    [
+      SimpleCov::Formatter::HTMLFormatter,
+      SimpleCov::Formatter::Console
+    ]
+  )
+  SimpleCov.start 'rails' do
+    add_filter '/controllers/'
+  end
+end
+
 # This file is copied to spec/ when you run 'rails generate rspec:install'
 ENV['RAILS_ENV'] ||= 'test'
 require File.expand_path('../config/environment', __dir__)

spec/spec_helper.rb

@@ -1,19 +1,5 @@
 # frozen_string_literal: true
 
-unless ENV['nocoverage']
-  require 'simplecov'
-  require 'simplecov-console'
-  SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new(
-    [
-      SimpleCov::Formatter::HTMLFormatter,
-      SimpleCov::Formatter::Console
-    ]
-  )
-  SimpleCov.start 'rails' do
-    add_filter '/controllers/'
-  end
-end
-
 RSpec.configure do |config|
   config.expect_with :rspec do |expectations|
     expectations.syntax = [:expect, :should]