const int numLEDs = 5;  // Number of LEDs in your array
int ledPins[numLEDs] = {13, 12, 11, 10, 9};  // Digital pins connected to the LEDs
int delayTime = 100;  // Delay between LED changes (in milliseconds)

void setup() {
   Serial.begin(9600); // open the serial port at 9600 bps:
  for (int i = 0; i < numLEDs; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}

void testBlink(){
 digitalWrite(13, HIGH);
 delay(1000);
 digitalWrite(13, LOW);
 delay(1000);
 Serial.println("Test");
}

void loop() {
 testBlink();
}