diff --git a/Tests/IdentifiableContinuationTests.swift b/Tests/IdentifiableContinuationTests.swift
index 2219fe7..40a2643 100644
--- a/Tests/IdentifiableContinuationTests.swift
+++ b/Tests/IdentifiableContinuationTests.swift
@@ -266,7 +266,7 @@ private extension Actor {
 
     func identifiableContinuation<T: Sendable>(
         body:  @Sendable (IdentifiableContinuation<T, Never>) -> Void,
-    onCancel handler: @Sendable (IdentifiableContinuation<T, Never>.ID) -> Void = { _ in }
+        onCancel handler: @Sendable (IdentifiableContinuation<T, Never>.ID) -> Void = { _ in }
     ) async -> T {
 #if compiler(>=6.0)
         await withIdentifiableContinuation(body: body, onCancel: handler)
@@ -277,7 +277,7 @@ private extension Actor {
 
     func throwingIdentifiableContinuation<T: Sendable>(
         body:  @Sendable (IdentifiableContinuation<T, any Error>) -> Void,
-    onCancel handler: @Sendable (IdentifiableContinuation<T, any Error>.ID) -> Void = { _ in }
+        onCancel handler: @Sendable (IdentifiableContinuation<T, any Error>.ID) -> Void = { _ in }
     ) async throws -> T {
 #if compiler(>=6.0)
         try await withIdentifiableThrowingContinuation(body: body, onCancel: handler)
diff --git a/Tests/IdentifiableContinuationXCTests.swift b/Tests/IdentifiableContinuationXCTests.swift
index 54ff968..668cffe 100644
--- a/Tests/IdentifiableContinuationXCTests.swift
+++ b/Tests/IdentifiableContinuationXCTests.swift
@@ -64,7 +64,7 @@ final class IdentifiableContinuationAsyncXCTests: XCTestCase {
         let waiter = Waiter<String?, Never>()
 
         let task = await waiter.makeTask(onCancel: nil)
-        await Task.sleep(seconds: 0.1)
+        try? await Task.sleep(seconds: 0.1)
         var isEmpty = await waiter.isEmpty
         XCTAssertFalse(isEmpty)
         task.cancel()
@@ -80,7 +80,7 @@ final class IdentifiableContinuationAsyncXCTests: XCTestCase {
         let waiter = Waiter<String?, Never>()
 
         let task = await waiter.makeTask(delay: 1.0, onCancel: nil)
-        await Task.sleep(seconds: 0.1)
+        try? await Task.sleep(seconds: 0.1)
         let isEmpty = await waiter.isEmpty
         XCTAssertTrue(isEmpty)
         task.cancel()
@@ -129,7 +129,7 @@ final class IdentifiableContinuationAsyncXCTests: XCTestCase {
         let waiter = Waiter<String?, any Error>()
 
         let task = await waiter.makeTask(onCancel: .failure(CancellationError()))
-        await Task.sleep(seconds: 0.1)
+        try? await Task.sleep(seconds: 0.1)
         var isEmpty = await waiter.isEmpty
         XCTAssertFalse(isEmpty)
         task.cancel()
@@ -145,7 +145,7 @@ final class IdentifiableContinuationAsyncXCTests: XCTestCase {
         let waiter = Waiter<String?, any Error>()
 
         let task = await waiter.makeTask(delay: 1.0, onCancel: .failure(CancellationError()))
-        await Task.sleep(seconds: 0.1)
+        try? await Task.sleep(seconds: 0.1)
         let isEmpty = await waiter.isEmpty
         XCTAssertTrue(isEmpty)
         task.cancel()
@@ -166,7 +166,7 @@ private actor Waiter<T: Sendable, E: Error> {
 
     func makeTask(delay: TimeInterval = 0, onCancel: T) -> Task<T, Never> where E == Never {
         Task {
-            await Task.sleep(seconds: delay)
+            try? await Task.sleep(seconds: delay)
 #if compiler(>=6.0)
             return await withIdentifiableContinuation {
                 addContinuation($0)
@@ -185,7 +185,7 @@ private actor Waiter<T: Sendable, E: Error> {
 
     func makeTask(delay: TimeInterval = 0, onCancel: Result<T, E>) -> Task<T, any Error> where E == any Error {
         Task {
-            await Task.sleep(seconds: delay)
+            try? await Task.sleep(seconds: delay)
 #if compiler(>=6.0)
             return try await withIdentifiableThrowingContinuation {
                 addContinuation($0)
@@ -240,8 +240,8 @@ private actor Waiter<T: Sendable, E: Error> {
 }
 
 private extension Task where Success == Never, Failure == Never {
-    static func sleep(seconds: TimeInterval) async {
-        try? await sleep(nanoseconds: UInt64(1_000_000_000 * seconds))
+    static func sleep(seconds: TimeInterval) async throws {
+        try await sleep(nanoseconds: UInt64(1_000_000_000 * seconds))
     }
 }