diff --git a/packages/e2e-tests/fixtures/base-page.js b/packages/e2e-tests/fixtures/base-page.js
index 6d7dbcff..35442781 100644
--- a/packages/e2e-tests/fixtures/base-page.js
+++ b/packages/e2e-tests/fixtures/base-page.js
@@ -14,11 +14,12 @@ export class BasePage {
    */
   constructor(page) {
     this.page = page;
-    this.snackbar = this.page.locator('.notistack-MuiContent');
+    this.snackbar = page.locator('*[data-test^="snackbar"]');
   }
 
   /**
    * Finds the latest snackbar message and extracts relevant data
+   * @param {string | undefined} testId 
    * @returns {(
    *  null | {
    *    variant: SnackbarVariant,
@@ -27,25 +28,13 @@ export class BasePage {
    *  }
    * )} 
    */
-  async getSnackbarData () {
-    if (await this.snackbar.count() === 0) {
-      return null;
-    }
-    const snack = this.snackbar.first(); // uses flex: column-reverse
-    const classList = await snack.evaluate(node => Array.from(node.classList));
-    /** @type SnackbarVariant */
-    let variant = 'default';
-    if (classList.includes('notistack-MuiContent-success')) {
-      variant = 'success'
-    } else if (classList.includes('notistack-MuiContent-warning')) {
-      variant = 'warning'
-    } else if (classList.includes('notistack-MuiContent-error')) {
-      variant = 'error'
-    } else if (classList.includes('notistack-MuiContent-info')) {
-      variant = 'info'
+  async getSnackbarData (testId) {
+    if (!testId) {
+      testId = 'snackbar';
     }
+    const snack = this.page.getByTestId(testId);
     return {
-      variant,
+      variant: await snack.getAttribute('data-snackbar-variant'),
       text: await snack.evaluate(node => node.innerText),
       dataset: await snack.evaluate(node => {
         function getChildren (n) {
diff --git a/packages/e2e-tests/tests/admin/manage-users.spec.js b/packages/e2e-tests/tests/admin/manage-users.spec.js
index 9d6aef40..97870c75 100644
--- a/packages/e2e-tests/tests/admin/manage-users.spec.js
+++ b/packages/e2e-tests/tests/admin/manage-users.spec.js
@@ -35,10 +35,9 @@ test.describe('User management page', () => {
             'option', { name: 'Admin' }
           ).click();
           await adminCreateUserPage.createButton.click();
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-create-user-success'
+          );
           await expect(snackbar.variant).toBe('success');
           await adminUsersPage.closeSnackbar();
         }
@@ -65,10 +64,9 @@ test.describe('User management page', () => {
           await adminEditUserPage.fullNameInput.fill(newUserInfo.fullName);
           await adminEditUserPage.updateButton.click();
 
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-edit-user-success'
+          );
           await expect(snackbar.variant).toBe('success');
           await adminUsersPage.closeSnackbar();
 
@@ -86,10 +84,10 @@ test.describe('User management page', () => {
           await adminUsersPage.clickDeleteUser(userRow);
           const modal = adminUsersPage.deleteUserModal;
           await modal.deleteButton.click();
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });          
-          const snackbar = await adminUsersPage.getSnackbarData();
+        
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-delete-user-success'
+          );
           await expect(snackbar.variant).toBe('success');
           await adminUsersPage.closeSnackbar();
           await expect(userRow).not.toBeVisible(false);
@@ -115,10 +113,9 @@ test.describe('User management page', () => {
             'option', { name: 'Admin' }
           ).click();
           await adminCreateUserPage.createButton.click();
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-create-user-success'
+          );
           await expect(snackbar.variant).toBe('success');
           await adminUsersPage.closeSnackbar();
         }
@@ -132,10 +129,9 @@ test.describe('User management page', () => {
           await adminUsersPage.clickDeleteUser(userRow);
           const modal = adminUsersPage.deleteUserModal;
           await modal.deleteButton.click();
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-delete-user-success'
+          );
           await expect(snackbar).not.toBeNull();
           await expect(snackbar.variant).toBe('success');
           await adminUsersPage.closeSnackbar();
@@ -163,6 +159,7 @@ test.describe('User management page', () => {
             happen here, i.e. if this should create a new user, stay the
             same, un-delete the user, or something else
           */
+          // await adminUsersPage.getSnackbarData('snackbar-error');
           await adminUsersPage.closeSnackbar();
         }
       );
@@ -187,10 +184,9 @@ test.describe('User management page', () => {
             'option', { name: 'Admin' }
           ).click();
           await adminCreateUserPage.createButton.click();
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-create-user-success'
+          );
           await expect(snackbar.variant).toBe('success');
           await adminUsersPage.closeSnackbar();
         }
@@ -209,11 +205,9 @@ test.describe('User management page', () => {
             'option', { name: 'Admin' }
           ).click();
           await adminCreateUserPage.createButton.click();
-          await adminCreateUserPage.snackbar.waitFor({
-            state: 'attached'
-          });
+          
           await expect(page.url()).toBe(createUserPageUrl);
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData('snackbar-error');
           await expect(snackbar.variant).toBe('error');
           await adminUsersPage.closeSnackbar();
         }
@@ -241,10 +235,9 @@ test.describe('User management page', () => {
             'option', { name: 'Admin' }
           ).click();
           await adminCreateUserPage.createButton.click();
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-create-user-success'
+          );
           await expect(snackbar.variant).toBe('success');
           await adminUsersPage.closeSnackbar();
         }
@@ -262,10 +255,9 @@ test.describe('User management page', () => {
             'option', { name: 'Admin' }
           ).click();
           await adminCreateUserPage.createButton.click();
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-create-user-success'
+          );
           await expect(snackbar.variant).toBe('success');
           await adminUsersPage.closeSnackbar();
         }
@@ -282,10 +274,9 @@ test.describe('User management page', () => {
           const editPageUrl = page.url();
           await adminEditUserPage.updateButton.click();
 
-          await adminUsersPage.snackbar.waitFor({
-            state: 'attached'
-          });
-          const snackbar = await adminUsersPage.getSnackbarData();
+          const snackbar = await adminUsersPage.getSnackbarData(
+            'snackbar-error'
+          );
           await expect(snackbar.variant).toBe('error');
           await adminUsersPage.closeSnackbar();
           await expect(page.url()).toBe(editPageUrl);
diff --git a/packages/web/src/components/AdminApplicationSettings/index.tsx b/packages/web/src/components/AdminApplicationSettings/index.tsx
index 515eac15..1a323282 100644
--- a/packages/web/src/components/AdminApplicationSettings/index.tsx
+++ b/packages/web/src/components/AdminApplicationSettings/index.tsx
@@ -6,13 +6,13 @@ import Paper from '@mui/material/Paper';
 import Stack from '@mui/material/Stack';
 import LoadingButton from '@mui/lab/LoadingButton';
 import { useMutation } from '@apollo/client';
-import { useSnackbar } from 'notistack';
 
 import { CREATE_APP_CONFIG } from 'graphql/mutations/create-app-config';
 import { UPDATE_APP_CONFIG } from 'graphql/mutations/update-app-config';
 
 import Form from 'components/Form';
 import { Switch } from './style';
+import useEnqueueSnackbar from 'hooks/useEnqueueSnackbar';
 
 type AdminApplicationSettingsProps = {
   appKey: string;
@@ -36,7 +36,7 @@ function AdminApplicationSettings(
   );
 
   const formatMessage = useFormatMessage();
-  const { enqueueSnackbar } = useSnackbar();
+  const enqueueSnackbar = useEnqueueSnackbar();
 
   const handleSubmit = async (values: any) => {
     try {
@@ -55,6 +55,9 @@ function AdminApplicationSettings(
       }
       enqueueSnackbar(formatMessage('adminAppsSettings.successfullySaved'), {
         variant: 'success',
+        SnackbarProps: {
+          'data-test': 'snackbar-save-admin-apps-settings-success'
+        }
       });
     } catch (error) {
       throw new Error('Failed while saving!');
diff --git a/packages/web/src/components/ApolloProvider/index.tsx b/packages/web/src/components/ApolloProvider/index.tsx
index 3b2b47e3..ff276bd0 100644
--- a/packages/web/src/components/ApolloProvider/index.tsx
+++ b/packages/web/src/components/ApolloProvider/index.tsx
@@ -15,7 +15,12 @@ const ApolloProvider = (props: ApolloProviderProps): React.ReactElement => {
 
   const onError = React.useCallback(
     (message) => {
-      enqueueSnackbar(message, { variant: 'error' });
+      enqueueSnackbar(message, {
+        variant: 'error',
+        SnackbarProps: {
+          'data-test': 'snackbar-error'
+        }
+      });
     },
     [enqueueSnackbar]
   );
diff --git a/packages/web/src/components/AppConnectionRow/index.tsx b/packages/web/src/components/AppConnectionRow/index.tsx
index ef6f1a6c..1fd578ab 100644
--- a/packages/web/src/components/AppConnectionRow/index.tsx
+++ b/packages/web/src/components/AppConnectionRow/index.tsx
@@ -82,6 +82,9 @@ function AppConnectionRow(props: AppConnectionRowProps): React.ReactElement {
 
         enqueueSnackbar(formatMessage('connection.deletedMessage'), {
           variant: 'success',
+          SnackbarProps: {
+            'data-test': 'snackbar-delete-connection-success'
+          }
         });
       } else if (action.type === 'test') {
         setVerificationVisible(true);
diff --git a/packages/web/src/components/DeleteRoleButton/index.ee.tsx b/packages/web/src/components/DeleteRoleButton/index.ee.tsx
index 90f7d298..2a07fac6 100644
--- a/packages/web/src/components/DeleteRoleButton/index.ee.tsx
+++ b/packages/web/src/components/DeleteRoleButton/index.ee.tsx
@@ -31,6 +31,9 @@ export default function DeleteRoleButton(props: DeleteRoleButtonProps) {
       setShowConfirmation(false);
       enqueueSnackbar(formatMessage('deleteRoleButton.successfullyDeleted'), {
         variant: 'success',
+        SnackbarProps: {
+          'data-test': 'snackbar-delete-role-success'
+        }
       });
     } catch (error) {
       throw new Error('Failed while deleting!');
diff --git a/packages/web/src/components/DeleteUserButton/index.ee.tsx b/packages/web/src/components/DeleteUserButton/index.ee.tsx
index a3147e0e..353af591 100644
--- a/packages/web/src/components/DeleteUserButton/index.ee.tsx
+++ b/packages/web/src/components/DeleteUserButton/index.ee.tsx
@@ -29,6 +29,9 @@ export default function DeleteUserButton(props: DeleteUserButtonProps) {
       setShowConfirmation(false);
       enqueueSnackbar(formatMessage('deleteUserButton.successfullyDeleted'), {
         variant: 'success',
+        SnackbarProps: {
+          'data-test': 'snackbar-delete-user-success'
+        }
       });
     } catch (error) {
       throw new Error('Failed while deleting!');
diff --git a/packages/web/src/components/FlowContextMenu/index.tsx b/packages/web/src/components/FlowContextMenu/index.tsx
index 25469778..d0e9463e 100644
--- a/packages/web/src/components/FlowContextMenu/index.tsx
+++ b/packages/web/src/components/FlowContextMenu/index.tsx
@@ -36,6 +36,9 @@ export default function ContextMenu(
 
     enqueueSnackbar(formatMessage('flow.successfullyDuplicated'), {
       variant: 'success',
+      SnackbarProps: {
+        'data-test': 'snackbar-duplicate-flow-success'
+      }
     });
 
     onClose();
diff --git a/packages/web/src/components/ResetPasswordForm/index.ee.tsx b/packages/web/src/components/ResetPasswordForm/index.ee.tsx
index 2052792f..c2954ba1 100644
--- a/packages/web/src/components/ResetPasswordForm/index.ee.tsx
+++ b/packages/web/src/components/ResetPasswordForm/index.ee.tsx
@@ -43,6 +43,9 @@ export default function ResetPasswordForm() {
 
     enqueueSnackbar(formatMessage('resetPasswordForm.passwordUpdated'), {
       variant: 'success',
+      SnackbarProps: {
+        'data-test': 'snackbar-reset-password-success'
+      }
     });
 
     navigate(URLS.LOGIN);
diff --git a/packages/web/src/hooks/useEnqueueSnackbar.ts b/packages/web/src/hooks/useEnqueueSnackbar.ts
index 078166a1..356ec8e0 100644
--- a/packages/web/src/hooks/useEnqueueSnackbar.ts
+++ b/packages/web/src/hooks/useEnqueueSnackbar.ts
@@ -20,7 +20,11 @@ export default function useEnqueueSnackbar() {
         ...(options || {}) as Record<string, unknown>,
         SnackbarProps: {
           onClick: () => closeSnackbar(key),
-          ...(options.SnackbarProps || {}) as Record<string, unknown>
+          ...({
+            'data-test': 'snackbar', // keep above options.snackbarProps
+            'data-snackbar-variant': `${options.variant}` || 'default',
+          }) as Record<string, string>,
+          ...(options.SnackbarProps || {}) as Record<string, unknown>,
         }
       }
     );
diff --git a/packages/web/src/pages/Authentication/RoleMappings.tsx b/packages/web/src/pages/Authentication/RoleMappings.tsx
index 50346b4f..f93bccfd 100644
--- a/packages/web/src/pages/Authentication/RoleMappings.tsx
+++ b/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) {
diff --git a/packages/web/src/pages/Authentication/SamlConfiguration.tsx b/packages/web/src/pages/Authentication/SamlConfiguration.tsx
index e1f72d34..3909170a 100644
--- a/packages/web/src/pages/Authentication/SamlConfiguration.tsx
+++ b/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!');
diff --git a/packages/web/src/pages/CreateRole/index.ee.tsx b/packages/web/src/pages/CreateRole/index.ee.tsx
index 468f904f..4ba49e6e 100644
--- a/packages/web/src/pages/CreateRole/index.ee.tsx
+++ b/packages/web/src/pages/CreateRole/index.ee.tsx
@@ -43,6 +43,9 @@ export default function CreateRole(): React.ReactElement {
 
       enqueueSnackbar(formatMessage('createRole.successfullyCreated'), {
         variant: 'success',
+        SnackbarProps: {
+          'data-test': 'snackbar-create-role-success'
+        }
       });
 
       navigate(URLS.ROLES);
diff --git a/packages/web/src/pages/CreateUser/index.tsx b/packages/web/src/pages/CreateUser/index.tsx
index ff6e69bb..7d0f002d 100644
--- a/packages/web/src/pages/CreateUser/index.tsx
+++ b/packages/web/src/pages/CreateUser/index.tsx
@@ -47,6 +47,10 @@ export default function CreateUser(): React.ReactElement {
 
       enqueueSnackbar(formatMessage('createUser.successfullyCreated'), {
         variant: 'success',
+        persist: true,
+        SnackbarProps: {
+          'data-test': 'snackbar-create-user-success',
+        }
       });
 
       navigate(URLS.USERS);
diff --git a/packages/web/src/pages/EditRole/index.ee.tsx b/packages/web/src/pages/EditRole/index.ee.tsx
index 93db3f8c..098d32cb 100644
--- a/packages/web/src/pages/EditRole/index.ee.tsx
+++ b/packages/web/src/pages/EditRole/index.ee.tsx
@@ -53,6 +53,9 @@ export default function EditRole(): React.ReactElement {
 
       enqueueSnackbar(formatMessage('editRole.successfullyUpdated'), {
         variant: 'success',
+        SnackbarProps: {
+          'data-test': 'snackbar-edit-role-success'
+        }
       });
 
       navigate(URLS.ROLES);
diff --git a/packages/web/src/pages/EditUser/index.tsx b/packages/web/src/pages/EditUser/index.tsx
index 6a9c49f0..9d6c32bd 100644
--- a/packages/web/src/pages/EditUser/index.tsx
+++ b/packages/web/src/pages/EditUser/index.tsx
@@ -55,6 +55,10 @@ export default function EditUser(): React.ReactElement {
 
       enqueueSnackbar(formatMessage('editUser.successfullyUpdated'), {
         variant: 'success',
+        SnackbarProps: {
+          'data-test': 'snackbar-edit-user-success',
+          persist: true
+        }
       });
 
       navigate(URLS.USERS);
diff --git a/packages/web/src/pages/ProfileSettings/index.tsx b/packages/web/src/pages/ProfileSettings/index.tsx
index bf41f04c..fc4abe7a 100644
--- a/packages/web/src/pages/ProfileSettings/index.tsx
+++ b/packages/web/src/pages/ProfileSettings/index.tsx
@@ -78,6 +78,9 @@ function ProfileSettings() {
 
     enqueueSnackbar(formatMessage('profileSettings.updatedProfile'), {
       variant: 'success',
+      SnackbarProps: {
+        'data-test': 'snackbar-update-profile-settings-success'
+      }
     });
   };
 
diff --git a/packages/web/src/pages/UserInterface/index.tsx b/packages/web/src/pages/UserInterface/index.tsx
index 88057cd9..565882cf 100644
--- a/packages/web/src/pages/UserInterface/index.tsx
+++ b/packages/web/src/pages/UserInterface/index.tsx
@@ -128,6 +128,9 @@ export default function UserInterface(): React.ReactElement {
 
       enqueueSnackbar(formatMessage('userInterfacePage.successfullyUpdated'), {
         variant: 'success',
+        SnackbarProps: {
+          'data-test': 'snackbar-update-user-interface-success'
+        }
       });
     } catch (error) {
       throw new Error('Failed while updating!');