spec/unit/mutant/env_spec.rb in mutant-0.8.3 vs spec/unit/mutant/env_spec.rb in mutant-0.8.4

@@ -14,10 +14,10 @@
     end
 
     let(:integration) { integration_class.new(config) }
 
     let(:config) do
-      Mutant::Config::DEFAULT.update(isolation: isolation, integration: integration_class)
+      Mutant::Config::DEFAULT.with(isolation: isolation, integration: integration_class)
     end
 
     let(:isolation)         { double('Isolation')                                                     }
     let(:mutation)          { Mutant::Mutation::Evil.new(mutation_subject, Mutant::AST::Nodes::N_NIL) }
     let(:wrapped_node)      { double('Wrapped Node')                                                  }