test(question): remove WithInstance bridge (#27128)

packages/opencode/test/question/question.test.ts

@@ -2,7 +2,6 @@ import { afterEach, expect } from "bun:test"
 import { Cause, Effect, Exit, Fiber, Layer } from "effect"
 import { Question } from "../../src/question"
 import { Instance } from "../../src/project/instance"
-import { WithInstance } from "../../src/project/with-instance"
 import { InstanceRuntime } from "../../src/project/instance-runtime"
 import { QuestionID } from "../../src/question/schema"
 import { disposeAllInstances, provideInstance, reloadTestInstance, tmpdirScoped } from "../fixture/fixture"
@@ -398,9 +397,7 @@ it.live("pending question rejects on instance dispose", () =>
     }).pipe(provideInstance(dir), Effect.forkScoped)
 
     expect(yield* waitForPending(1).pipe(provideInstance(dir))).toHaveLength(1)
-    yield* Effect.promise(() =>
-      WithInstance.provide({ directory: dir, fn: () => InstanceRuntime.disposeInstance(Instance.current) }),
-    )
+    yield* Effect.promise(() => InstanceRuntime.disposeInstance(Instance.current)).pipe(provideInstance(dir))
 
     const exit = yield* Fiber.await(fiber)
     expect(Exit.isFailure(exit)).toBe(true)