}

    /**
     * In case of conflict spanning different sources, precedence is applied: project > user > installation.
     */
    @Test
    void conflictingExtensionsFromDifferentSource(
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path cwd,
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path userHome)
            throws Exception {
        String extensionsXml = """