function isJSXAttributeOfExpressionContainerMatcher(node) {
  return (
    node
    && node.type === 'JSXAttribute'
    && node.value
    && node.value.type === 'JSXExpressionContainer'
  );
}
Matcher used to check whether given node is a `JSXAttribute` of `JSXExpressionContainer`
@param {ASTNode} node The AST node
@returns {boolean} True if node is a `JSXAttribute` of `JSXExpressionContainer`, false if not