Add test for devices' capabilities

Signed-off-by: Katarzyna Lapinska <katarzyna.lapinska@intel.com>

test/functional/api/cas/cli_messages.py

@@ -63,6 +63,13 @@ load_and_force = [
     r"Use of \'load\' and \'force\' simultaneously is forbidden\."
 ]
 
+try_add_core_sector_size_mismatch = [
+    r"Error while adding core device to cache instance \d+",
+    r"Cache device logical sector size is greater than core device logical sector size\.",
+    r"Consider changing logical sector size on current cache device",
+    r"or try other device with the same logical sector size as core device\."
+]
+
 
 def check_stderr_msg(output: Output, expected_messages):
     return __check_string_msg(output.stderr, expected_messages)