Wrote some tests for binding the configurations.
Wrote some tests for binding the configurations.
Add test case for playing mp3 file in child process.
Add test case for playing sound.
Fix a test case to pass.
Add a test case for run(). Now status is RED.
Merge branch 'feature/write_some_tests' of github.com:moznion/App--WithSound into feature/write_some_tests

Conflicts:
	t/02.load_sound_paths_from_config.t
Fix a bug that raises a error when @argv is different from @ARGV

related #4
Improve a test case for run(). (It has already GREEN).
Improve a test case for _play_sound (It has already GREEN)

Use mock object
Fix a wrong description in a test.
Improve test case No.04

This commit is associated with #4
Fix structure of test code.
Add description about number of tests.
Remove unnecessary BEGIN clause.
Merge branch 'feature/write_test_for_play_mp3_in_child' into feature/write_some_tests

Conflicts:
	t/04.play_mp3_in_child.t
Wrote some tests for binding the configurations.
Add test case for playing mp3 file in child process.
Add test case for playing sound.
Fix a test case to pass.