The test verifies functionality of protocol method CSS.getMatchedStylesForNode when the CSS contains invalid @ rules
Dumping matched rules: 
*#inspected* {    regular
    margin-left: 10px !important; @[1:4-1:33]
    margin-left: 10px !important; @[undefined-undefined]
}
*#inspected* {    regular
    padding: 10px 20px 30px 40px; @[11:4-11:33]
    padding-top: 50px; @[12:4-12:22]
    padding-right: 20px; @[undefined-undefined]
    padding-bottom: 30px; @[undefined-undefined]
    padding-left: 40px; @[undefined-undefined]
    padding-top: 50px; @[undefined-undefined]
}
*#inspected* {    regular
    padding-left: 5px; @[27:4-27:22]
    margin-left: 20px; @[28:4-28:22]
    padding-left: 10px; @[29:4-29:23]
    margin-top: 15px !important; @[30:4-30:32]
    margin-left: 20px; @[undefined-undefined]
    padding-left: 10px; @[undefined-undefined]
    margin-top: 15px !important; @[undefined-undefined]
}
Dumping inherited rules: