question: public static void deleteVMsOnThisEndpoint ( VerificationHost host , boolean isMock , String parentComputeLink , List < String > instanceIdsToDelete ) throws Throwable { deleteVMsOnThisEndpoint ( host , null , isMock , parentComputeLink , instanceIdsToDelete , null ) ; }
target:  A utility method that deletes the VMs on the specified endpoint filtered by the instanceIds that are passed in.