Improve test coverage of rbac stuff

Description

Trying to improve coverage. 🥴

Related Issue

#207 (closed)

controller/api/auth_test.go

@@ -28,7 +28,7 @@ func TestLogin(t *testing.T) {
 			args: args{
 				ctx:      context.TODO(),
 				addr:     testAPIEndpoint,
-				username: "admin",
+				username: "testAdmin",
 				pwd:      "admin",
 			},
 			want: &apb.LoginResponse{
@@ -38,7 +38,7 @@ func TestLogin(t *testing.T) {
 		},
 	}
 
-	err := userService.Add(&rbac.User{UserID: uuid.New(), UserName: "admin", Roles: map[string]string{pndID: "admin"}, Password: "admin"})
+	err := userService.Add(&rbac.User{UserID: uuid.New(), UserName: "testAdmin", Roles: map[string]string{pndID: "admin"}, Password: "admin"})
 	if err != nil {
 		t.Errorf("Login() error = %v", err)
 		return