spec/unit/aequitas/violation_set_spec.rb in aequitas-0.0.1 vs spec/unit/aequitas/violation_set_spec.rb in aequitas-0.0.2

@@ -16,10 +16,10 @@
 
     describe '#on' do
       let(:violation) { Violation.new(object, 'message', nil, :attribute) }
 
       it 'returns nil when no error is present on the requested attribute' do
-        assert_nil violation_set.on(:foo)
+        assert_predicate violation_set.on(:foo), :empty?
       end
 
       describe 'after adding a message via a symbol attribute name' do
         it 'returns the message that was added (as a Violation)' do
           violation_set.add(:attribute, 'message')