tests(cmd): ensure select statement works

src/command.rs

@@ -113,4 +113,11 @@ mod tests {
         let result = statement.execute().display();
         assert_snapshot!(result);
     }
+
+    #[test]
+    fn test_execute_select_statement() {
+        let statement: Command = Statement::Select.into();
+        let result = statement.execute().display();
+        assert_snapshot!(result);
+    }
 }