Fix changed number of parameters

Author: sudoapt-getclean

gitlab/resource_gitlab_group_membership_test.go

@@ -141,7 +141,7 @@ username = "listest%d"
 password = "test%dtt"
 email = "listest%[email protected]"
 }
-`, rInt, rInt, rInt, rInt, rInt)
+`, rInt, rInt, rInt, rInt, rInt, rInt)
 }
 
 func testAccGitlabGroupMembershipUpdateConfig(rInt int) string {
@@ -162,5 +162,5 @@ username = "listest%d"
 password = "test%dtt"
 email = "listest%[email protected]"
 }
-`, rInt, rInt, rInt, rInt, rInt)
+`, rInt, rInt, rInt, rInt, rInt, rInt)
 }