function getSwitchCaseColonToken(node, sourceCode) {
	if (node.test) {
		return sourceCode.getTokenAfter(node.test, isColonToken);
	}
	return sourceCode.getFirstToken(node, 1);
}
Get the colon token of the given SwitchCase node.
@param {ASTNode} node The SwitchCase node to get.
@param {SourceCode} sourceCode The source code object to get tokens.
@returns {Token} The colon token of the node.