Assert.DoesNotThrowAsync - jnm2/nunit-docs-wiki GitHub Wiki
Assert.DoesNotThrowAsync verifies that the delegate provided as an argument does not throw an exception. See Assert.DoesNotThrow for synchronous code.
void Assert.DoesNotThrowAsync(AsyncTestDelegate code);
void Assert.DoesNotThrowAsync(AsyncTestDelegate code,
string message, params object[] parms);