Add test for square method
MODIFY
testing/resources/test_pixels.py
testing/resources/test_pixels.py
@@ -5,6 +5,9 @@ fill('#0000FF')
rect(10, 10, 10, 10)
assert get(15, 15) == 0xFF0000FF
+square(10, 30, 10)
+assert get(15, 35) == 0xFF0000FF
+
fill(255)
rect(20, 10, 10, 10)
assert get(25, 15) == 0xFFFFFFFF

Add test for square method