[random-in-if.tentative.html]
  [random() should not be allowed in if() style() condition]
    expected: FAIL

  [random() in var() should not be allowed in if() style() condition]
    expected: FAIL

  [random() with different property names should not be shared in if() declaration value]
    expected: FAIL

  [element-shared random() with same property name on different elements in if() declaration value should be equal]
    expected: FAIL