diff --git a/expected/create_extension.out b/expected/create_extension.out
index 6bd50af..63ed0d1 100644
--- a/expected/create_extension.out
+++ b/expected/create_extension.out
@@ -1 +1,10 @@
 CREATE EXTENSION quack;
+CREATE TABLE tbl(a varchar);
+INSERT INTO tbl VALUES ('test');
+SELECT * FROM tbl;
+INFO:  Column name: a, Type: VARCHAR
+  a   
+------
+ test
+(1 row)
+
diff --git a/sql/create_extension.sql b/sql/create_extension.sql
index 6bd50af..94d6a2d 100644
--- a/sql/create_extension.sql
+++ b/sql/create_extension.sql
@@ -1 +1,4 @@
 CREATE EXTENSION quack;
+CREATE TABLE tbl(a varchar);
+INSERT INTO tbl VALUES ('test');
+SELECT * FROM tbl;