fix tests after moving to pnpm

src/utils/test.ts

@@ -15,6 +15,7 @@ import {
   vitest,
 } from "vitest";
 import {
+  EventType,
   MatrixEvent,
   type Room as MatrixRoom,
   type Room,
@@ -255,6 +256,7 @@ export function mockRtcMembership(
   const event = new MatrixEvent({
     sender: userId,
     event_id: `$-ev-${randomUUID()}:example.org`,
+    type: EventType.GroupCallMemberPrefix,
     content: data,
   });
 
@@ -466,7 +468,9 @@ export class MockRTCSession extends TypedEventEmitter<
     counters: {},
   };
 
-  public leaveRoomSession = vitest.fn().mockResolvedValue(undefined);
+  public leaveRoomSession: ReturnType<typeof vitest.fn> = vitest
+    .fn()
+    .mockResolvedValue(undefined);
 
   public constructor(
     public readonly room: Room,
@@ -496,7 +500,7 @@ export class MockRTCSession extends TypedEventEmitter<
     return this;
   }
 
-  public updateCallIntent = vitest
+  public updateCallIntent: ReturnType<typeof vitest.fn> = vitest
     .fn()
     .mockImplementation(async () => Promise.resolve());