@Test
public void getKiePMMLModelCompilationUnitWithoutPackage() {

    String className = "ClassName";
    CompilationUnit retrieved = JavaParserUtils.getKiePMMLModelCompilationUnit(className, null,  TEMPLATE_FILE, TEMPLATE_CLASS);
    assertNotNull(retrieved);
    assertFalse(retrieved.getPackageDeclaration().isPresent());
    assertFalse(retrieved.getClassByName(TEMPLATE_CLASS).isPresent());
    assertTrue(retrieved.getClassByName(className).isPresent());
}