AQL cache is can only be changed by admin.

Author: apetenchea

tests/test_aql.py

@@ -438,7 +438,7 @@ def test_cache_plan_management(db, bad_db, col, docs, db_version):
     assert err.value.error_code == FORBIDDEN
 
 
-def test_aql_cache_management(db, bad_db):
+def test_aql_cache_management(db, sys_db, bad_db):
     # Test get AQL cache properties
     properties = db.aql.cache.properties()
     assert "mode" in properties
@@ -452,7 +452,7 @@ def test_aql_cache_management(db, bad_db):
         bad_db.aql.cache.properties()
 
     # Test get AQL cache configure properties
-    properties = db.aql.cache.configure(
+    properties = sys_db.aql.cache.configure(
         mode="on",
         max_results=100,
         max_results_size=10000,