diff --git a/packages/effect-lens/src/Lens.test.ts b/packages/effect-lens/src/Lens.test.ts
index 7ee6ed8..1c3c794 100644
--- a/packages/effect-lens/src/Lens.test.ts
+++ b/packages/effect-lens/src/Lens.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test"
-import { Chunk, Context, Effect, identity, Option, Stream, SubscriptionRef } from "effect"
+import { Chunk, Context, Effect, Either, identity, Option, Stream, SubscriptionRef } from "effect"
 import * as Lens from "./Lens.js"
 
 
@@ -19,7 +19,7 @@ describe("Lens", () => {
 
         const result = await Effect.runPromise(Effect.either(Lens.get(lens)))
 
-        expect(result.left).toBe("mapped:read")
+        expect(result).toEqual(Either.left("mapped:read"))
     })
 
     test("mapErrorWrite transforms modify errors", async () => {
@@ -35,7 +35,7 @@ describe("Lens", () => {
 
         const result = await Effect.runPromise(Effect.either(Lens.set(lens, 2)))
 
-        expect(result.left).toBe("mapped-write")
+        expect(result).toEqual(Either.left("mapped-write"))
     })
 
     test("mapError transforms read and modify errors", async () => {
@@ -54,8 +54,8 @@ describe("Lens", () => {
             Effect.either(Lens.set(lens, 1)),
         ] as const))
 
-        expect(result[0].left).toBe("mapped")
-        expect(result[1].left).toBe("mapped")
+        expect(result[0]).toEqual(Either.left("mapped"))
+        expect(result[1]).toEqual(Either.left("mapped"))
     })
 
     test("catchAllRead recovers from read failures", async () => {
@@ -67,7 +67,8 @@ describe("Lens", () => {
                         Lens.make<number, "read", never, never, never>({
                             get: Effect.fail("read" as const),
                             changes: Stream.fail("read" as const),
-                            set: () => Effect.void,
+                            commit: () => Effect.void,
+                            withLock: identity,
                         }),
                         () => Lens.fromSubscriptionRef(fallback),
                     ),