@Test
    void resolveAbsolutelyWithRelativePathAndRelativeBaseDir() {
        Assertions.assertThrows(IllegalArgumentException.class, () ->
            DockerPathUtil.resolveAbsolutely(RELATIVE_PATH, REL_BASE_DIR));
    }
A sample relative path (no different than {@link #RELATIVE_PATH}), provided as the member name is
self-documenting in the test.
src/test/java/io/fabric8/maven/docker/util/DockerPathUtilTest.java