---
title: "testNotHandled(completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterunittesting/testnothandled(completion:)"
---

# testNotHandled(completion:)

## Declaration

```swift
func testNotHandled(completion: @escaping @Sendable ((any Error)?) -> Void)
```

```swift
func testNotHandled() async throws
```