@Test
public void testDoNotStripHeader() throws Exception {

  final String withoutHeader =
      "#version 310 es\n"
          + "//WebGL\n"
          + "//Some\n"
          + "//Stuff\n"
          + "void main()\n"
          + "{\n"
          + "}\n";
  final InputStream is = new ByteArrayInputStream(withoutHeader.getBytes(StandardCharsets.UTF_8));
  final InputStream strippedIs = ParseHelper.stripGraphicsFuzzDefines(is);
  assertSame(is, strippedIs);
}