code:     public void testFloatInHeader() {
          Response response = WebClient.create(endPoint + TIKA_PATH)
                  .type("application/pdf")
                  .accept("text/plain")
                  .header(TikaResource.X_TIKA_PDF_HEADER_PREFIX +
                                  "averageCharTolerance",
                          "2.0")
                  .put(ClassLoader.getSystemResourceAsStream("testOCR.pdf"));
          assertEquals(200, response.getStatus());
  
      }
  