def test_is_rst_file_blank(): assert files.is_rst_file("") is False
def test_is_rst_file_caps(): assert files.is_rst_file("test.RST") is True
def test_is_rst_file_not(): assert files.is_rst_file("test.py") is False
def test_is_rst_file(): assert files.is_rst_file("test.rst") is True