tests: Don't call base_prepare() in tests

The base_prepare() function is now called automatically during test
setup so there is no longer need to call it from each test manually.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>

test/functional/tests/cli/test_cli_help.py

@@ -7,7 +7,6 @@
 import logging
 import pytest
 from api.cas import casadm
-from tests.conftest import base_prepare
 
 
 LOGGER = logging.getLogger(__name__)
@@ -15,14 +14,9 @@ LOGGER = logging.getLogger(__name__)
 
 @pytest.mark.parametrize("shortcut", [True, False])
 def test_cli_help(shortcut):
-    prepare()
     LOGGER.info("Test run")
     output = casadm.help(shortcut)
     LOGGER.info(output.stdout)  # TODO:this is tmp, every ssh command shall be logged via executor
     assert output.stdout[0:33] == "Cache Acceleration Software Linux"
     # TODO: create yml config for every help command and match the output with it
     # TODO: for now the assert above is purely for testing flow in the casadm api
-
-
-def prepare():
-    base_prepare()