diff --git a/packages/interop/package.json b/packages/interop/package.json
index c75c60f..0dda880 100644
--- a/packages/interop/package.json
+++ b/packages/interop/package.json
@@ -44,6 +44,7 @@
     "test:chrome": "aegir test -t browser --cov",
     "test:chrome-webworker": "aegir test -t webworker",
     "test:firefox": "aegir test -t browser -- --browser firefox",
+    "test:firefox-webworker": "aegir test -t webworker -- --browser firefox",
     "test:node": "aegir test -t node --cov",
     "test:electron-main": "aegir test -t electron-main"
   },
diff --git a/packages/interop/test/fixtures/create-helia.browser.ts b/packages/interop/test/fixtures/create-helia.browser.ts
index f94bc9d..be42495 100644
--- a/packages/interop/test/fixtures/create-helia.browser.ts
+++ b/packages/interop/test/fixtures/create-helia.browser.ts
@@ -14,7 +14,6 @@ export async function createHeliaNode (config: Libp2pOptions = {}): Promise<Heli
   const blockstore = new MemoryBlockstore()
   const datastore = new MemoryDatastore()
 
-  // dial-only in the browser until webrtc browser-to-browser arrives
   const libp2p = await createLibp2p({
     transports: [
       webSockets({
@@ -34,6 +33,10 @@ export async function createHeliaNode (config: Libp2pOptions = {}): Promise<Heli
     connectionGater: {
       denyDialMultiaddr: async () => false
     },
+    connectionManager: {
+      minConnections: 0
+    },
+    peerDiscovery: [],
     ...config
   })
 
diff --git a/packages/interop/test/fixtures/create-helia.ts b/packages/interop/test/fixtures/create-helia.ts
index a2b769c..801e280 100644
--- a/packages/interop/test/fixtures/create-helia.ts
+++ b/packages/interop/test/fixtures/create-helia.ts
@@ -27,6 +27,9 @@ export async function createHeliaNode (config: Libp2pOptions = {}): Promise<Heli
     services: {
       identify: identifyService()
     },
+    connectionManager: {
+      minConnections: 0
+    },
     ...config
   })
 
diff --git a/packages/interop/test/fixtures/create-kubo.ts b/packages/interop/test/fixtures/create-kubo.ts
index a19ed1e..24aa069 100644
--- a/packages/interop/test/fixtures/create-kubo.ts
+++ b/packages/interop/test/fixtures/create-kubo.ts
@@ -18,6 +18,9 @@ export async function createKuboNode (options: ControllerOptions<'go'> = {}): Pr
             '/ip4/0.0.0.0/tcp/4001',
             '/ip4/0.0.0.0/tcp/4002/ws'
           ]
+        },
+        Routing: {
+          Type: 'none'
         }
       }
     }