Index: images/water_sample_fail.png =================================================================== diff -u -r11db0aad4912ac6db5aa222898c72cad244d7fcf -r487c702364fd191b52259b0b65f47bc3fc6ef01b Binary files differ Index: images/water_sample_pass.png =================================================================== diff -u -r11db0aad4912ac6db5aa222898c72cad244d7fcf -r487c702364fd191b52259b0b65f47bc3fc6ef01b Binary files differ