model.fit(X_test, y_test, epochs=1000, verbose = 0)
test_loss, test_acc = model.evaluate(X_test, y_test, verbose=2) # test 데이터를 넣었을 때의 loss, acc
verbose: Integer. 0, 1, or 2. Verbosity mode.
0 = silent,
1 = progress bar,
2 = one line per epoch.