.simplecov in keep_up-0.8.1 vs .simplecov in keep_up-0.9.0

@@ -1,8 +1,10 @@
+# frozen_string_literal: true
+
 SimpleCov.start do
-  track_files 'lib/**/*.rb'
-  add_filter 'spec/'
-  coverage_dir 'tmp/coverage'
+  add_group "Main", "lib"
+  add_group "Specs", "spec"
+  enable_coverage :branch
 end
 
 SimpleCov.at_exit do
   SimpleCov.result.format!
 end