Fixed more failing tests to match nested sets

app/imports/api/engine/computation/utility/cleanProp.testFn.js

@@ -1,6 +1,9 @@
 import CreatureProperties from '/imports/api/creature/creatureProperties/CreatureProperties';
 
 export default function cleanProp(prop) {
+  if (!prop.root) {
+    prop.root = { collection: 'creatures', id: 'testCreature' }
+  }
   let schema = CreatureProperties.simpleSchema(prop);
   return schema.clean(prop);
 }

app/imports/api/engine/computation/utility/findAncestorByType.js

@@ -1,10 +0,0 @@
-export default function findAncestorByType(prop, type, propsById){
-  if (!prop || !prop.ancestors) return;
-  let ancestor;
-  for (let i = prop.ancestors.length - 1; i >= 0; i--){
-    ancestor = propsById[prop.ancestors[i].id];
-    if (ancestor && ancestor.type === type){
-      return ancestor;
-    }
-  }
-}