src/test/features/main.json

{
  "prototype" : {
     "id" : "org.apache.sling:org.apache.sling.starter:slingosgifeature:oak_tar:12",
     "removals" : {
         "bundles" : [
                "${project.groupId}:${project.artifactId}:0",
                "org.apache.sling:org.apache.sling.models.api:0"
            ]
     }
  },
  "bundles": [
    {
        "id":"${project.groupId}:${project.artifactId}:${project.version}",
        "start-order": 24
    },
    {
        "id":"org.apache.sling:org.apache.sling.models.api:${models.api.version}",
        "start-order": 24
    },
    {
        "id":"org.apache.sling:org.apache.sling.junit.core:1.1.6",
        "start-order": 24
    }
  ]
}