add ast tests

Author: sfc-gh-aalam

tests/ast/data/functions1.test

@@ -314,7 +314,7 @@ df05 = df.select(column("X", "A"))
 
 df06 = df.select(column("A"))
 
-df07 = df.select(lit(1), lit("1"), lit(1.0), lit(True), lit(bytes("snow", "utf-8")), lit(datetime.date(2023, 2, 2)), lit([1, 2]), lit({"snow": "flake"}), lit(lit(1)), lit(column("A")))
+df07 = df.select(lit(1), lit("1"), lit(1.0), lit(True), lit(bytes("snow", "utf-8")), lit(datetime.date(2023, 2, 2)), lit([1, 2]), lit({"snow": "flake"}), lit(1), column("A"))
 
 df08 = df.select(sql_expr("CURRENT_WAREHOUSE()"))
 
@@ -1241,6 +1241,62 @@ body {
             }
           }
         }
+        cols {
+          apply_expr {
+            fn {
+              builtin_fn {
+                name {
+                  name {
+                    sp_name_flat {
+                      name: "lit"
+                    }
+                  }
+                }
+              }
+            }
+            pos_args {
+              int64_val {
+                src {
+                  file: "SRC_POSITION_TEST_MODE"
+                  start_line: 41
+                }
+                v: 1
+              }
+            }
+            src {
+              file: "SRC_POSITION_TEST_MODE"
+              start_line: 41
+            }
+          }
+        }
+        cols {
+          apply_expr {
+            fn {
+              builtin_fn {
+                name {
+                  name {
+                    sp_name_flat {
+                      name: "column"
+                    }
+                  }
+                }
+              }
+            }
+            pos_args {
+              string_val {
+                src {
+                  file: "SRC_POSITION_TEST_MODE"
+                  start_line: 41
+                }
+                v: "A"
+              }
+            }
+            src {
+              file: "SRC_POSITION_TEST_MODE"
+              start_line: 41
+            }
+          }
+        }
         df {
           sp_dataframe_ref {
             id {