try {
        File testFile = new File(testFileUrl.toURI());
        testDir = testFile.getParentFile(); // the testdata directory
      } catch (Exception ignore) {
        // probably URISyntaxException or IllegalArgumentException
        // fall back to copying URLs to files in the testDir == null block below
      }
    }

    if (testDir == null) {

        SmbComDeleteDirectory sdd = new SmbComDeleteDirectory("testDir");
        assertEquals("testDir", sdd.path);
        assertEquals(ServerMessageBlock.SMB_COM_DELETE_DIRECTORY, sdd.command);
    }

    /**
     * Test writeParameterWordsWireFormat.
     */
    @Test
    void testWriteParameterWordsWireFormat() {
        SmbComDeleteDirectory sdd = new SmbComDeleteDirectory("testDir");
        byte[] dst = new byte[10];

        SmbComCreateDirectory smbCom = new SmbComCreateDirectory(mockConfig, "testDir");
        byte[] dst = new byte[10];
        int result = smbCom.writeParameterWordsWireFormat(dst, 0);
        assertEquals(0, result);
    }

    @Test
    void testWriteBytesWireFormat() {
        // Test the byte format written by the class
        String directoryName = "\testDir";

    }

    Map getInitializationParams() {
        return [
            publicApiPatterns: ['gradlebuild[.]binarycompatibility[.]rules.[^.]+'],
            apiChangesJsonFile: new File(testDir, 'test-api-changes.json').path,
            projectRootDir: testDir.path,
        ]
    }

    String replaceAsInternal(String name) {
        return name.replace('gradlebuild', 'gradlebuild.internal')
    }

ftp> ls runner/
229 Entering Extended Passive Mode (|||39155|)
150 Opening ASCII mode data connection for file list
drwxrwxrwx 1 nobody nobody            0 Jan  1 00:00 chunkdocs/
drwxrwxrwx 1 nobody nobody            0 Jan  1 00:00 testdir/
...
```

Following example shows how to list an object and download it locally via `ftp` client:

```
ftp> ls runner/chunkdocs/metadata
229 Entering Extended Passive Mode (|||44269|)