fix(ci): phoenix channel tests not running (firezone#3749)

Similar to firezone#3747

Author: conectado

.github/workflows/_rust.yml

@@ -50,9 +50,9 @@ jobs:
         # TODO: https://github.com/rust-lang/cargo/issues/5220
         include:
           - runs-on: ubuntu-20.04
-            packages: -p firezone-relay -p firezone-linux-client -p firezone-gateway -p connlib-client-android -p snownet
+            packages: --workspace
           - runs-on: ubuntu-22.04
-            packages: -p firezone-relay -p firezone-linux-client -p firezone-gateway -p connlib-client-android -p snownet
+            packages: --workspace
           - runs-on: macos-12
             packages: -p connlib-client-apple -p snownet
           - runs-on: macos-13

rust/phoenix-channel/src/heartbeat.rs

@@ -74,7 +74,7 @@ mod tests {
 
     #[tokio::test]
     async fn returns_heartbeat_after_interval() {
-        let mut heartbeat = Heartbeat::new(Duration::from_millis(10));
+        let mut heartbeat = Heartbeat::new(Duration::from_millis(30));
         let _ = poll_fn(|cx| heartbeat.poll(cx)).await; // Tick once at startup.
 
         let start = Instant::now();