tests(cmd): ensure insert statement works

src/command.rs

@@ -101,3 +101,16 @@ impl std::str::FromStr for Command {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::{command::Command, statements::Statement};
+    use insta::assert_snapshot;
+
+    #[test]
+    fn test_execute_insert_statement() {
+        let statement: Command = Statement::Insert.into();
+        let result = statement.execute().display();
+        assert_snapshot!(result);
+    }
+}