fix(functions): failing test

Author: mandarini

packages/core/functions-js/test/relay/container.ts

@@ -116,8 +116,18 @@ export async function runRelay(
         await new Promise((resolve) => setTimeout(resolve, 1000))
         return new Relay(startedRelay, id, execCache, execRun)
       }
-    } catch {
-      /* we actually don't care about errors here */
+    } catch (error) {
+      // Native fetch throws an error when it encounters HTTP 101 (WebSocket upgrade)
+      // If we get a network error that indicates the server responded (even with 101),
+      // we consider the function ready to serve
+      if (error instanceof TypeError && error.message.includes('fetch')) {
+        // This likely means we got a 101 response that native fetch couldn't handle
+        // The server is responding, so consider it ready
+        log(`function started to serve (detected via 101 error): ${slug + '-' + id}`)
+        await new Promise((resolve) => setTimeout(resolve, 1000))
+        return new Relay(startedRelay, id, execCache, execRun)
+      }
+      // For other errors (connection refused, etc.), continue retrying
     }
     await new Promise((resolve) => setTimeout(resolve, 500))
   }