Update to have temporal in common

Change-Id: I96dfd324d35869d6ad43fca8478505dfd054b0d7
Signed-off-by: Mark Beierl <mark.beierl@canonical.com>
diff --git a/requirements-test.in b/requirements-test.in
index 394c6c3..a669fad 100644
--- a/requirements-test.in
+++ b/requirements-test.in
@@ -20,7 +20,7 @@
 # contact: helena.mcgough@intel.com or adrian.hoban@intel.com
 ##
 certifi
-charset-normalizer<3 # Required by aiohttp in LCM via N2VC
+charset-normalizer<4 # Required by aiohttp in LCM via N2VC
 coverage
 mock
 nose2