Minor fix (#90)

Co-authored-by: nrodriguezmicrofocus <norma.rodriguez@microfocus.com>
Co-authored-by: nrodriguezmicrofocus <44621128+nrodriguezmicrofocus@users.noreply.github.com>

Author: ajay-abrol2

tests/conftest.py

@@ -105,7 +105,7 @@ def vertica_target():
     return {
        'type': 'vertica',
         'threads': 1,
-        'host': 'localhost ',
+        'host': 'localhost',
         'username': 'dbadmin',
         'password': '',
         'database': 'docker',