fix test

Author: eruditmorina

tests/dialects/test_snowflake.py

@@ -4428,8 +4428,12 @@ def test_user_defined_functions(self):
             },
         )
         self.validate_identity(
-            "CREATE FUNCTION a(x FLOAT) RETURNS FLOAT LANGUAGE SQL CALLED ON NULL INPUT AS $$ RETURN x * 2; $$",
-            "CREATE FUNCTION a(x DOUBLE) RETURNS DOUBLE LANGUAGE SQL CALLED ON NULL INPUT AS ' RETURN x * 2; '",
+            "CREATE FUNCTION a(x FLOAT) RETURNS FLOAT LANGUAGE SQL CALLED ON NULL INPUT AS $$ x * 2 $$",
+            "CREATE FUNCTION a(x DOUBLE) RETURNS DOUBLE LANGUAGE SQL CALLED ON NULL INPUT AS ' x * 2 '",
+        ).assert_is(exp.Create)
+        self.validate_identity(
+            "CREATE FUNCTION a(x FLOAT) RETURNS FLOAT LANGUAGE SQL RETURNS NULL ON NULL INPUT AS $$ x * 2 $$",
+            "CREATE FUNCTION a(x DOUBLE) RETURNS DOUBLE LANGUAGE SQL RETURNS NULL ON NULL INPUT AS ' x * 2 '",
         ).assert_is(exp.Create)
 
         self.validate_identity(