test the wasm side (#6726)

Signed-off-by: Jess Frazelle <github@jessfraz.com>

src/lang/std/engineConnection.ts

@@ -1583,6 +1583,21 @@ export class EngineCommandManager extends EventTarget {
     return
   }
 
+  async startFromWasm(token: string): Promise<boolean> {
+    return await new Promise((resolve) => {
+      this.start({
+        token,
+        width: 256,
+        height: 256,
+        setMediaStream: () => {},
+        setIsStreamReady: () => {},
+        callbackOnEngineLiteConnect: () => {
+          resolve(true)
+        },
+      })
+    })
+  }
+
   handleMessage(event: MessageEvent) {
     let message: Models['WebSocketResponse_type'] | null = null
 
@@ -1731,7 +1746,9 @@ export class EngineCommandManager extends EventTarget {
     this.engineConnection?.send(resizeCmd)
   }
 
-  tearDown(opts?: { idleMode: boolean }) {
+  tearDown(opts?: {
+    idleMode: boolean
+  }) {
     if (this.engineConnection) {
       for (const [cmdId, pending] of Object.entries(this.pendingCommands)) {
         pending.reject([