public void writeConfigs() {
        writeConfig("bootstrap1", "dummy \"ignored\"");
        writeConfig("bootstrap2", "dummy \"ignored\"");
        writeConfig("test", "stringVal \"ignored\"");
    }
@author gjoranv
@author Tony Vaagenes
@author ollivir
container-core/src/test/java/com/yahoo/container/di/ConfigRetrieverTest.java