fix package spelling!
@@ -5,4 +5,4 @@ botbuilder-core>=4.0.0.a6
requests>=2.18.1
PyJWT==1.5.3
cryptography==2.1.4
-asynciounittest==1.1.0
\ No newline at end of file
+aiounittest==1.1.0
\ No newline at end of file
