 unsigned long testFillScreen()
 {
   unsigned long start = micros();
-  
+
   tft.fillScreen(ILI9341_BLACK);
   yield();
   tft.fillScreen(ILI9341_RED);

  tft.fillScreen(ILI9341_GREEN);
  yield();
  tft.fillScreen(ILI9341_BLUE);
  yield();
  tft.fillScreen(ILI9341_BLACK);
  yield();

  Serial.begin(115200);
  Serial.println("ILI9341 Test!"); 

  // get the display ready
  tft.begin();

  // read diagnostics (optional but can help debug problems)
