pyocf: add new error OCF error code to test framework

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>

tests/functional/pyocf/types/shared.py

@@ -20,6 +20,7 @@ class OcfErrorCode(IntEnum):
     OCF_ERR_NO_LOCK = auto()
     OCF_ERR_METADATA_VER = auto()
     OCF_ERR_NO_METADATA = auto()
+    OCF_ERR_METADATA_FOUND = auto()
     OCF_ERR_INVAL_VOLUME_TYPE = auto()
     OCF_ERR_UNKNOWN = auto()
     OCF_ERR_TOO_MANY_CACHES = auto()

tests/functional/tests/basic/test_pyocf.py

@@ -62,7 +62,7 @@ def test_start_corrupted_metadata_lba(pyocf_ctx):
 def test_load_cache_no_preexisting_data(pyocf_ctx):
     cache_device = Volume(S.from_MiB(30))
 
-    with pytest.raises(OcfError, match="OCF_ERR_START_CACHE_FAIL"):
+    with pytest.raises(OcfError, match="OCF_ERR_NO_METADATA"):
         cache = Cache.load_from_device(cache_device)