get_route_key and count_routes require a space for multi-asic. (#6534)

Functions were failing for multi-asic

Author: ansrajpu-git

tests/common/devices/sonic_asic.py

@@ -644,14 +644,14 @@ def count_crm_resources(self, resource_type, route_tag, count_type):
     def count_routes(self, ROUTE_TABLE_NAME):
         ns_prefix = ""
         if self.sonichost.is_multi_asic:
-            ns_prefix = '-n' + str(self.namespace)
+            ns_prefix = '-n ' + str(self.namespace)
         return int(self.shell(
             'sonic-db-cli {} ASIC_DB eval "return #redis.call(\'keys\', \'{}*\')" 0'.format(ns_prefix, ROUTE_TABLE_NAME),
             module_ignore_errors=True, verbose=True)['stdout'])
 
     def get_route_key(self, ROUTE_TABLE_NAME):
         ns_prefix = ""
         if self.sonichost.is_multi_asic:
-            ns_prefix = '-n' + str(self.namespace)
+            ns_prefix = '-n ' + str(self.namespace)
         return self.shell('sonic-db-cli {} ASIC_DB eval "return redis.call(\'keys\', \'{}*\')" 0'.format(ns_prefix, ROUTE_TABLE_NAME),
             verbose=False)['stdout_lines']