PROD-35990 fix broken dependencies in CVP Sanity

Change-Id: I271a0c3a85418b5abc0feba36185402ba907293a
diff --git a/test_set/cvp-sanity/requirements.txt b/test_set/cvp-sanity/requirements.txt
index 881d76e..d360de3 100644
--- a/test_set/cvp-sanity/requirements.txt
+++ b/test_set/cvp-sanity/requirements.txt
@@ -1,4 +1,4 @@
-pytest==3.7.1
+pytest==3.10
 pytest-rerunfailures==7.0
 requests==2.24.0
 flake8==3.8.3