internal: test LoggerDb to avoid dead code warnings

Author: davidbarsky

crates/query-group-macro/tests/logger_db.rs

@@ -43,3 +43,16 @@ impl LoggerDb {
         expected.assert_eq(&format!("{:#?}", logs));
     }
 }
+
+/// Test the logger database.
+///
+/// This test isn't very interesting, but it *does* remove a dead code warning.
+#[test]
+fn test_logger_db() {
+    let db = LoggerDb::default();
+    db.push_log("test".to_string());
+    db.assert_logs(expect_test::expect![r#"
+        [
+            "test",
+        ]"#]);
+}