src/main/java/io/github/glytching/junit/extension/folder/TemporaryFolder.java
public File createFile(String fileName) throws IOException {
    Path path = Paths.get(rootFolder.getPath(), fileName);
    return Files.createFile(path).toFile();
  }
public File createFile(String fileName) throws IOException {
    Path path = Paths.get(rootFolder.getPath(), fileName);
    return Files.createFile(path).toFile();
  }
Create a file within the temporary folder root.

@param fileName the name of the file to be created
@return the newly created file instance
@throws IOException in case the file creation call fails