throw stream output instead of using assertEquals()
test wp user update
add 'should be empty' step definition
add test for --debug flag
add tests for creating/updating/deleting a post
define steps using closures
merge WP_CLI_Command_Runner into FeatureContext
improve indentation for step definitions
add test for --user global parameter
add tests for --color/--no-color
Merge pull request #307 from wp-cli/moar-tests

Moar tests!
add files for plugin unit testing
show plugin dir, instead of path on success message, since there's more
than one generated file now
transform add_testing_files() method into a proper subcommand
add test-sample.php file
revert to using the official unit testing suite
add manpage for `wp scaffold plugin-tests`
Merge pull request #270 from wp-cli/plugin-tests

Generate all files needed for running plugin unit tests
add `wp core init-tests`
add optional path parameter