config.rb in mutant-0.6.0

- old
+ new

@@ -8,9 +8,10 @@
       :includes,
       :requires,
       :reporter,
       :isolation,
       :fail_fast,
+      :processes,
       :zombie,
       :expected_coverage
     )
 
     [:fail_fast, :zombie, :debug].each do |name|