multiple system value test case

squarenotsquare/__tests__/Repo-test.js

@@ -115,5 +115,6 @@ test('SystemRepo gets multiple system values', () => {
 
     mockRealm.create(System.name, systemKey1);
     mockRealm.create(System.name, systemKey2);
-    testRepo.getSystemKeyValue(systemKey1.key);
+    let response = testRepo.getSystemKeyValue(systemKey1.key);
+    expect(response).toEqual('Multiple system keys found for key1');
 })