Adapt new test to 2.1 state of things

Author: s1ck

neo4j-adapter/src/main/java/org/neo4j/gds/compat/GraphDatabaseApiProxy.java

@@ -30,6 +30,7 @@
 import org.neo4j.graphdb.Transaction;
 import org.neo4j.kernel.api.KernelTransaction;
 import org.neo4j.kernel.api.procedure.GlobalProcedures;
+import org.neo4j.kernel.database.NamedDatabaseId;
 import org.neo4j.kernel.impl.coreapi.InternalTransaction;
 import org.neo4j.kernel.internal.GraphDatabaseAPI;
 
@@ -43,6 +44,10 @@ public static Neo4jVersion neo4jVersion() {
         return Neo4jVersion.findNeo4jVersion();
     }
 
+    public static NamedDatabaseId databaseId(GraphDatabaseService db) {
+        return ((GraphDatabaseAPI) db).databaseId();
+    }
+
     public static boolean containsDependency(GraphDatabaseService db, Class<?> dependency) {
         return containsDependency(((GraphDatabaseAPI) db).getDependencyResolver(), dependency);
     }