Make sure all wait functions are supported

[besnardjb]

Wait / Test

You currently support only a subset of waiting functions make sure to cover them all:

• Wait
• Waitall
• Test
• Testall
• Waitsome
• Testsome

Note: for test you need to intercept the flag to "catch" completion.

[dssgabriel]

Also add support for the following Test and Wait functions:

• Testany
• Waitany