driver.findElement(By.linkText("Ejemplos")).click();
driver.findElement(By.xpath("//button[@type='button']")).click();
driver.findElement(By.xpath("//button[@type='button']")).click();
driver.findElement(By.xpath("//button[@type='button']")).click();
driver.findElement(By.xpath("//button[@type='button']")).click();
driver.findElement(By.xpath("//button[@type='button']")).click();
  driver.findElement(By.xpath("//h1[2]"));

<button type="button" (click)="pulsador(5)">Pulsa</button>

var i = 0;
pulsador(num){
  i++;
  if(i >= num){
    //mostrar el mensaje
  }
}