[#148] parse_select 테스트코드 보완

Author: myyrakle

src/parser/test/select.rs

@@ -27,6 +27,18 @@ fn test_select_query() {
     }
 
     let test_cases = vec![
+        TestCase {
+            name: "성공: SELECT 1".into(),
+            input: vec![Token::Select, Token::Integer(1)],
+            expected: SelectQuery::builder()
+                .add_select_item(
+                    SelectItem::builder()
+                        .set_item(SQLExpression::Integer(1))
+                        .build(),
+                )
+                .build(),
+            want_error: false,
+        },
         TestCase {
             name: "성공: SELECT 1 as asdf FROM foo.bar".into(),
             input: vec![