add ForEachNode test
+use crate::ast::ForEachNode::ForEachNode;
+use crate::ast::Node::SqlNode;
+use serde_json::json;
+
+
+#[test]
+pub fn TestForEachNode(){
+ let mut n=ForEachNode{
+ childs: vec![],
+ collection: "".to_string(),
+ index: "".to_string(),
+ item: "".to_string(),
+ open: "".to_string(),
+ close: "".to_string(),
+ separator: "".to_string()
+ };
+ let mut john = json!({
+ "arg": 2,
+ });
+
+ let r=n.eval(&mut john);
+ println!("{}", r.unwrap());
+}
\ No newline at end of file
