tests pass

src/caoscrawler/identifiable_adapters.py

@@ -197,7 +197,8 @@ class IdentifiableAdapter(metaclass=ABCMeta):
                     "Multi properties used in identifiables could cause unpredictable results and are"
                     " not allowed. You might want to consider a Property with a list as value.")
 
-        return Identifiable(record_type=registered_identifiable.parents[0].name,
+        return Identifiable(record_type=(registered_identifiable.parents[0].name
+                                         if registered_identifiable else None),
                             name=record.name,
                             properties=identifiable_props,
                             path=record.path

unittests/test_tool.py

@@ -582,24 +582,30 @@ def reset_mocks(mocks):
 
 
 def change_identifiable_prop(ident):
-    # the checks in here are only to make sure we change the record as we intend to
-    meas = ident._records[-2]
-    assert meas.parents[0].name == "Measurement"
-    resps = meas.properties[0]
-    assert resps.name == "date"
-    # change one element; This changes the date which is part of the identifiable
-    resps.value = "2022-01-04"
+    for ent in ident._records:
+        if len(ent.parents) == 0 or ent.parents[0].name != "Measurement":
+            continue
+        for prop in ent.properties:
+            if prop.name != "date":
+                continue
+            # change one element; This removes a responsible which is not part of the identifiable
+            prop.value = "2022-01-04"
+            return
+    raise RuntimeError("Did not find the property that should be changed.")
 
 
 def change_non_identifiable_prop(ident):
-    # the checks in here are only to make sure we change the record as we intend to
-    meas = ident._records[-1]
-    assert meas.parents[0].name == "Measurement"
-    resps = meas.properties[-1]
-    assert resps.name == "responsible"
-    assert len(resps.value) == 2
+    for ent in ident._records:
+        if len(ent.parents) == 0 or ent.parents[0].name != "Measurement":
+            continue
+
+        for prop in ent.properties:
+            if prop.name != "responsible" or len(prop.value) < 2:
+                continue
             # change one element; This removes a responsible which is not part of the identifiable
-    del resps.value[-1]
+            del prop.value[-1]
+            return
+    raise RuntimeError("Did not find the property that should be changed.")
 
 
 @patch("caoscrawler.crawl.Crawler._get_entity_by_id",