  { element: "target5",   expectedCssText: "background: var(--prop) !important;" },
        { element: "target6",   expectedCssText: "background: green;" },
        { element: "target7",   expectedCssText: "background: var(--prop);" },
        { element: "target8",   expectedCssText: "color: var(--prop);" },
        { element: "target9",   expectedCssText: "margin-right: ; margin-bottom: ; margin-left: ; margin-top: 10px;" },
        { element: "target10",  expectedCssText: "" }
    ];

    testcases.forEac