message: Update http bad character test
  /\t does not always result in a 400 response.
diff: @@ -856,7 +856,7 @@ void BaseIntegrationTest::testMissingDelimiter() {
  void BaseIntegrationTest::testInvalidCharacterInFirstline() {
  std::string response;
  - sendRawHttpAndWaitForResponse("GET /\t HTTP/1.1\r\nHost: host\r\n\r\n", &response);
  + sendRawHttpAndWaitForResponse("GE(T / HTTP/1.1\r\nHost: host\r\n\r\n", &response);
  EXPECT_EQ("HTTP/1.1 400 Bad Request\r\ncontent-length: 0\r\nconnection: close\r\n\r\n", response);
  }
  