Account for user role assignment in org users command integration tests

On org creation, user roles are now assigned to the user creating the
org as part of the org creation CAPI endpoint. We're fixing these
integration tests to account for that change.

[#175042021]

Co-authored-by: Sarah Weinstein <sweinstein@pivotal.io>
Co-authored-by: Teal Stannard <tstannard@pivotal.io>

integration/v7/isolated/org_users_command_test.go

@@ -92,9 +92,7 @@ var _ = Describe("org-users command", func() {
 				Eventually(session).Should(Say("ORG MANAGER"))
 				Eventually(session).Should(Say(`\s+%s \(client\)`, clientID))
 				Eventually(session).Should(Say("BILLING MANAGER"))
-				Eventually(session).Should(Say(`\s+No BILLING MANAGER found`))
 				Eventually(session).Should(Say("ORG AUDITOR"))
-				Eventually(session).Should(Say(`\s+No ORG AUDITOR found`))
 				Eventually(session).Should(Exit(0))
 			})
 		})