@Test
    void testResolveNamedVolume() {
        String volumeName = "volname";
        String volumeString = format(BIND_STRING_FMT, volumeName, CONTAINER_PATH);

        // volumeString should be untouched
        Assertions.assertEquals(volumeString, resolveRelativeVolumeBinding(ABS_BASEDIR, volumeString));
    }
Insures that volume binding strings referencing a named volume are preserved untouched.
src/test/java/io/fabric8/maven/docker/util/VolumeBindingUtilTest.java