Move size.py to types

Signed-off-by: Katarzyna Treder <katarzyna.treder@h-partners.com>

test/functional/tests/io/trim/test_trim_stress.py

@@ -11,7 +11,7 @@ from api.cas.cache_config import CacheMode, CacheLineSize
 from core.test_run import TestRun
 from storage_devices.disk import DiskTypeSet, DiskType
 from test_tools.disk_utils import Filesystem
-from test_utils.size import Size, Unit
+from types.size import Size, Unit
 
 
 @pytest.mark.os_dependent