def test_filterFrame_sepia(self):
img = cv2.imread("Testing.jpg")
kernel = np.array([[0.272, 0.534, 0.131],
[0.349, 0.686, 0.168],
[0.393, 0.769, 0.189]])
img = cv2.filter2D(img, -1, kernel)
filter1 = FilterFrame(master=testFrame())
filter1._FilterFrame__sepia()
self.assertTrue(img.all() == filter1.filtered_image.all())
