Steps to reproduce:
1. Download 1112534_repro.zip project
2. Run test in play mode

Expected results: Code in both "try" and "finally" blocks are called
Actual results: Code "finally" block isn't called

Reproduced with:2019.1.0a13, 2018.3.2f1, 2017.4.18f1

Example code:
[UnityTest]
public IEnumerator FinallyNotCalled()
{
try
{
Debug.LogError("a");
yield return null;
Debug.Log("b");
}
finally
{
Debug.Log("finally");
}
}