zos.write("Valid content テスト".getBytes("UTF-8"));
            zos.closeEntry();

            // Add another valid entry
            final ZipEntry entry2 = new ZipEntry("another.txt");
            zos.putNextEntry(entry2);
            zos.write("Another valid content".getBytes("UTF-8"));
            zos.closeEntry();
        }

        final InputStream in = new ByteArrayInputStream(baos.toByteArray());

                val zipEntry = ZipEntry(relativePath)
                try {
                    zipOutput.putNextEntry(zipEntry)
                    Files.copy(file.toPath(), zipOutput)
                    zipOutput.closeEntry()
                } catch (e: IOException) {
                    throw GradleException("Error copying file contents to zip. File: " + file.toPath(), e)
                }
            }
        }
    }

      for (String entry : entries) {
        jarOut.putNextEntry(new ZipEntry(entry));
        Resources.copy(ClassPathTest.class.getResource(entry), jarOut);
        jarOut.closeEntry();
      }
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  private static Manifest manifest(String content) throws IOException {

      for (String entry : entries) {
        jarOut.putNextEntry(new ZipEntry(entry));
        Resources.copy(ClassPathTest.class.getResource(entry), jarOut);
        jarOut.closeEntry();
      }
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  private static Manifest manifest(String content) throws IOException {