test: update snackbar with variant and data-test attributes

packages/web/src/pages/Authentication/RoleMappings.tsx

@@ -64,6 +64,9 @@ function RoleMappings({ provider, providerLoading }: RoleMappingsProps) {
         });
         enqueueSnackbar(formatMessage('roleMappingsForm.successfullySaved'), {
           variant: 'success',
+          SnackbarProps: {
+            'data-test': 'snackbar-update-role-mappings-success'
+          }
         });
       }
     } catch (error) {

packages/web/src/pages/Authentication/SamlConfiguration.tsx

@@ -93,6 +93,9 @@ function SamlConfiguration({
 
       enqueueSnackbar(formatMessage('authenticationForm.successfullySaved'), {
         variant: 'success',
+        SnackbarProps: {
+          'data-test': 'snackbar-save-saml-provider-success'
+        }
       });
     } catch (error) {
       throw new Error('Failed while saving!');