Replace Instance.disposeAll/load with fixture helper (#25418)

packages/opencode/test/server/httpapi-bridge.test.ts

@@ -12,7 +12,7 @@ import { ConfigProvider, Layer } from "effect"
 import { HttpRouter } from "effect/unstable/http"
 import { OpenApi } from "effect/unstable/httpapi"
 import { resetDatabase } from "../fixture/db"
-import { tmpdir } from "../fixture/fixture"
+import { disposeAllInstances, tmpdir } from "../fixture/fixture"
 
 void Log.init({ print: false })
 
@@ -208,7 +208,7 @@ afterEach(async () => {
   Flag.OPENCODE_EXPERIMENTAL_HTTPAPI = original.OPENCODE_EXPERIMENTAL_HTTPAPI
   Flag.OPENCODE_SERVER_PASSWORD = original.OPENCODE_SERVER_PASSWORD
   Flag.OPENCODE_SERVER_USERNAME = original.OPENCODE_SERVER_USERNAME
-  await Instance.disposeAll()
+  await disposeAllInstances()
   await resetDatabase()
 })