fix coverage recording

Author: markburns

spec/spec_helper.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require "debug"
-require "spec/support/coverage"
+require "./spec/support/coverage"
 require "interactify"
 
 if Interactify.sidekiq?

spec/support/coverage.rb

@@ -3,8 +3,11 @@
 require "simplecov"
 
 SimpleCov.start do
+  add_filter "/spec/"
+  add_filter %r{_spec\.rb$}  # This line excludes all files ending with _spec.rb
+
   add_group "Sidekiq jobs" do |src_file|
-    src_file.project_filename =~ %r{lib/interactify/async}
+    src_file.project_filename =~ %r{lib/interactify/async} && src_file.filename !~ /_spec\.rb/
   end
 
   add_group "Wiring", "lib/interactify/wiring"