Issue #3340142 by mstrelan, quietone, xjm: Convert testJail() to use expectException

   */

  public function testJail(): void {

    $source = $this->_buildFakeModule();

    // This convoluted piece of code is here because our testing framework does

    // not support expecting exceptions.

    $got_it = FALSE;

    try {

      $this->testConnection->copyDirectory($source, sys_get_temp_dir());

    }

    catch (FileTransferException) {

      $got_it = TRUE;

    }

    $this->assertTrue($got_it, 'Was not able to copy a directory outside of the jailed area.');

    $got_it = TRUE;

    try {

    $this->testConnection->copyDirectory($source, $this->root . '/' . PublicStream::basePath());

    }

    catch (FileTransferException) {

      $got_it = FALSE;

    }

    $this->assertTrue($got_it, 'Was able to copy a directory inside of the jailed area');

    $this->expectException(FileTransferException::class);

    $this->expectExceptionMessage('@directory is outside of the @jail');

    $this->testConnection->copyDirectory($source, sys_get_temp_dir());

  }

}