refactor(core): finish test layer node conversion (#34385)

packages/core/test/plugin/provider-opencode.test.ts

@@ -2,6 +2,7 @@ import { describe, expect } from "bun:test"
 import { Effect } from "effect"
 import { Catalog } from "@opencode-ai/core/catalog"
 import { Credential } from "@opencode-ai/core/credential"
+import { EventV2 } from "@opencode-ai/core/event"
 import { Integration } from "@opencode-ai/core/integration"
 import { ModelV2 } from "@opencode-ai/core/model"
 import { PluginV2 } from "@opencode-ai/core/plugin"
@@ -16,8 +17,12 @@ const it = testEffect(PluginTestLayer)
 const addPlugin = Effect.fn(function* () {
   const plugin = yield* PluginV2.Service
   const host = yield* PluginHost.make(plugin)
+  const events = yield* EventV2.Service
   const integration = yield* Integration.Service
-  yield* OpencodePlugin.effect(host).pipe(Effect.provideService(Integration.Service, integration))
+  yield* OpencodePlugin.effect(host).pipe(
+    Effect.provideService(EventV2.Service, events),
+    Effect.provideService(Integration.Service, integration),
+  )
 })
 
 function required<T>(value: T | undefined): T {