add multiple arguments test
simple imple
more test
share_examples_for, it_should_behave_like
nest describe
use context instead of describe
use Array.any?
add ng_words test
imple ng_words
predicate matcher
remove it argument
its
move ng_words into share_example_for
ng_words size test
have matcher
remove it describe
have named_collection
add 2 args test