Tests CSS.setScopeText method.
==== Initial style sheet text ====
@scope (.dark-theme) to (.light-theme) {
  p {
    color: red;
  }
}


Running test: testSimpleEdit
==== Style sheet text ====
@scope (body) {
  p {
    color: red;
  }
}


Running test: testInvalidParameters
Expected protocol error: Invalid parameters (Failed to deserialize params.range.startLine - BINDINGS: int32 value expected <somewhere>)

Running test: testInvalidText
Expected protocol error: SyntaxError Selector or scope rule text is not valid.

Running test: testEditSequentially
==== Style sheet text ====
@scope (body) {
  p {
    color: red;
  }
}

==== Style sheet text ====
@scope (.dark-theme) {
  p {
    color: red;
  }
}


Running test: testAfterSequentially
==== Style sheet text ====
@scope (.light-theme) to (.dark-theme) {
  p {
    color: red;
  }
}