Update pip packages

Change-Id: Ic39d00c7a35d035d515fb8cae48a08fc919d489d
Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>
diff --git a/requirements-test.txt b/requirements-test.txt
index 923bf40..fb86ef4 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -16,13 +16,9 @@
 #######################################################################################
 asynctest==0.13.0
     # via -r requirements-test.in
-coverage==6.4.1
-    # via
-    #   -r requirements-test.in
-    #   nose2
+coverage==6.5.0
+    # via -r requirements-test.in
 mock==4.0.3
     # via -r requirements-test.in
-nose2==0.11.0
+nose2==0.12.0
     # via -r requirements-test.in
-six==1.16.0
-    # via nose2