gistfile1.txt

With Rspec 1.3.0:
it "should pass.. ;-)" do
    mock_model(Object, :valid? => true).valid?.should == true
end
--> Passes

it "should pass.. ;-)" do
    mock_model(Object, :valid? => true).should be_valid
end
--> Fails, with msg: undefined method `handling_predicate!' for #<Spec::Matchers::Be:0x7f2760f154f8 @args=[:be_valid]>

After removing the latest rspec with `gem uninstall rspec -v 1.3.0` I'm left with v.1.2.9. The apwx which failed above does now pass.