Raw configuration does not work properly for invalid services

[gazarenkov]

How to reproduce:

1. Create configMap (for example name "my-dev-service") for raw configuration with not valid service.xml key (the same would be valid for db-service*)
   For example: spec.port.targetPort=backend:con <--- not valid name

2. Create Backstage object with

spec:
  rawRuntimeConfig:
    backstageConfig: "my-dev-service"

Expected: Reconciliation failed with Invalid value error, Backstage.status failed, Service object NOT created

In fact: Reconciliation succeeded, Backstage.status DeployOk, Service object NOT created

[jianrongzhang89]

Add a test case for PR #203.