Adding test cases for all environments for

both puppetdb 3.2.0 and 4.2.0

puppetboard/utils.py

@@ -31,10 +31,13 @@ def get_db_version(puppetdb):
     '''
     ver = ()
     try:
-        (major, minor, build) = [int(x) for x in
-                                 puppetdb.current_version().split('.')]
+        version = puppetdb.current_version()
+        (major, minor, build) = [int(x) for x in version.split('.')]
         ver = (major, minor, build)
         log.info("PuppetDB Version %d.%d.%d" % (major, minor, build))
+    except ValueError as e:
+        log.error("Unable to determine version from string: '%s'" % version)
+        ver = (4, 2, 0)
     except HTTPError as e:
         log.error(str(e))
     except ConnectionError as e: