Write some basic test utils to get going; time to start trying them

backend/telemetry_core/Cargo.toml

@@ -29,3 +29,6 @@ thiserror = "1.0.25"
 tokio = { version = "1.7.0", features = ["full"] }
 tokio-util = { version = "0.6", features = ["compat"] }
 warp = "0.3.1"
+
+[dev-dependencies]
+test_utils = { path = "../test_utils" }

backend/telemetry_core/src/main.rs

@@ -308,3 +308,17 @@ where
     // loop ended; give socket back to parent:
     (tx_to_aggregator, websocket)
 }
+
+#[cfg(test)]
+pub mod test {
+
+    use test_utils::test_simple;
+
+    #[test]
+    fn test_feed_connection () {
+
+
+
+    }
+
+}