import json

def login_to_test_client(app):
    username='test'
    password='Test12345678'
    rl = app.post('/api/login',
                  data=json.dumps([username, password]),
                  content_type='application/json',
                  follow_redirects=True)
    assert rl.status_code == 200, ("Failed to login with ", username, password)