VOL-1448: Added unit test and unit-test-with-coverage support

Change-Id: Ia3c1c3b18b0871b9a796f6eb62e9f2bb14b33ab8
diff --git a/test-requirements.txt b/test-requirements.txt
index aa45729..17efb24 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,4 +6,5 @@
 sphinx>=1.8.1,<2.0.0
 mock==2.0.0
 nose-exclude==0.5.0
-nose-testconfig==0.10
\ No newline at end of file
+nose-testconfig==0.10
+coverage==4.5.2
\ No newline at end of file