fix: tests

Error was:

TypeError: LibraryUsageLocatorV2.__init__() got an unexpected keyword argument 'deprecated'
while generating 'serialized' from valid_key_string()

Author: pomegranited

opaque_keys/edx/locator.py

@@ -1568,12 +1568,17 @@ class LibraryUsageLocatorV2(CheckFieldMixin, UsageKeyV2):
     # Allow usage IDs to contian unicode characters
     USAGE_ID_REGEXP = re.compile(r'^[\w\-.]+$', flags=re.UNICODE)
 
-    def __init__(self, lib_key: LibraryLocatorV2, block_type: str, usage_id: str):
+    def __init__(self, lib_key: LibraryLocatorV2, block_type: str, usage_id: str, **kwargs):
         """
         Construct a LibraryUsageLocatorV2
         """
         if not isinstance(lib_key, LibraryLocatorV2):
             raise TypeError("lib_key must be a LibraryLocatorV2")
+
+        # LibraryUsageLocatorV2 is a new type of locator so should never be deprecated.
+        if lib_key.deprecated or kwargs.get('deprecated', False):
+            raise InvalidKeyError(self.__class__, "LibraryUsageLocatorV2s are never deprecated.")
+
         self._check_key_string_field("block_type", block_type)
         self._check_key_string_field("usage_id", usage_id, regexp=self.USAGE_ID_REGEXP)
         super().__init__(