spec/unit/veritas/tuple/join_spec.rb in veritas-0.0.4 vs spec/unit/veritas/tuple/join_spec.rb in veritas-0.0.5

@@ -8,10 +8,10 @@
   let(:header)     { Relation::Header.new([ [ :id, Integer ] ]) }
   let(:new_header) { header | [ [ :name, String ] ]             }
   let(:values)     { [ 'Dan Kubb' ]                             }
   let(:object)     { described_class.new(header, [ 1 ])         }
 
-  it { should be_kind_of(described_class) }
+  it { should be_instance_of(described_class) }
 
   its(:header) { should equal(new_header) }
 
   its(:to_ary) { should == [ 1, 'Dan Kubb' ] }
 end