Update test.cpp on Inkplate 6 FLICK

Touchscreen corrupted test of the WAKE BTN. Touchscreen must be disabled before WAKE BTN test.

examples/Inkplate6FLICK/Diagnostics/Inkplate6FLICK_Factory_Programming_VCOM/test.cpp

@@ -173,6 +173,12 @@ void testPeripheral()
     }
 
     // Text wake up button
+    // Disable touchscreen to avoid accidental TS INT trigger that would trigger WAKE button.
+    // (since Touch INT and WAKE BTN share same line).
+    display.tsInit(true);
+    // Wait a little bit.
+    delay(100);
+
     long beginWakeUpTest = millis();
     int wakeButtonState = digitalRead(GPIO_NUM_36);
 
@@ -414,4 +420,4 @@ void failHandler(bool printErrorOnSerial)
     // Inf. loop... halt the program!
     while (true)
         delay(1000);
-}
+}