
PASS e.style['background-image'] = "none, auto" should not set the property value 
PASS e.style['background-image'] = "radial-gradient(circle -10px at center, red, blue)" should not set the property value 
PASS e.style['background-image'] = "repeating-radial-gradient(-10px at center, red, blue)" should not set the property value 
PASS e.style['background-image'] = "radial-gradient(ellipse -20px 30px at center, red, blue)" should not set the property value 
PASS e.style['background-image'] = "repeating-radial-gradient(-20% 30% at center, red, blue)" should not set the property value 
PASS e.style['background-image'] = "radial-gradient(20px -30px at center, red, blue)" should not set the property value 
PASS e.style['background-image'] = "repeating-radial-gradient(20px -30px ellipse at center, red, blue)" should not set the property value