@Test
    @Disabled("TODO: there is no parent to the root directory, so how can '../../relative/path' be resolved?")
    void resolveNonExistentPath() {
        String toResolve = join(SEP, DOT + DOT, DOT + DOT, "relative", "path");        // ../../relative/path
        String rootDir = getFirstDirectory(
            createTmpFile(DockerPathUtilTest.class.getName())).getAbsolutePath();  // /

        // '/' and '../../relative/path' to ??
        Assertions.assertEquals(new File(rootDir, RELATIVE_PATH), DockerPathUtil.resolveAbsolutely(toResolve, rootDir));
    }
The supplied base directory is relative, but isn't used because the supplied path is absolute.
src/test/java/io/fabric8/maven/docker/util/DockerPathUtilTest.java