Currently many test cases call subprocess.check_output on their own.
Factor out that code to an infra method so the call get standardized.
This will be handful when switching the test infra to use Python 3.
Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit fixes the following flake8 warnings:
support/testing/tests/fs/test_f2fs.py:6:1: E302 expected 2 blank lines, found 1
support/testing/tests/fs/test_f2fs.py:12:1: E302 expected 2 blank lines, found 1
support/testing/tests/fs/test_f2fs.py:38:23: E225 missing whitespace around operator
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>