diff --git a/.travis.yml b/.travis.yml
index 68533c0d..9acef6b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ cache:
     - ~/.cache
 
 addons:
+  firefox: "latest"
   apt:
     packages:
     - libgconf-2-4
@@ -43,7 +44,8 @@ script:
   - docker exec -it cvat bash -ic "echo \"from django.contrib.auth.models import User; User.objects.create_superuser('${DJANGO_SU_NAME}', '${DJANGO_SU_EMAIL}', '${DJANGO_SU_PASSWORD}')\" | python3 ~/manage.py shell"
   # Install Cypress and run tests
   - cd ./tests && npm install
-  - $(npm bin)/cypress run --headless --browser chrome && cd ..
+  - $(npm bin)/cypress run --headless --browser chrome
+  - $(npm bin)/cypress run --headless --browser firefox && cd ..
 
 after_success:
   # https://coveralls-python.readthedocs.io/en/latest/usage/multilang.html
diff --git a/tests/cypress.json b/tests/cypress.json
index 59316936..73741d19 100644
--- a/tests/cypress.json
+++ b/tests/cypress.json
@@ -10,6 +10,7 @@
     },
     "testFiles": [
         "auth_page.js",
-        "issue_*.js"
+        "issue_*.js",
+        "remove_users_tasks.js"
     ]
 }
diff --git a/tests/cypress/integration/remove_users_tasks.js b/tests/cypress/integration/remove_users_tasks.js
new file mode 100644
index 00000000..711b4e09
--- /dev/null
+++ b/tests/cypress/integration/remove_users_tasks.js
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/// <reference types="cypress" />
+
+let authKey = ''
+
+describe('Delete users and tasks created during the test run.', () => {
+    it('Get token', () => {
+        cy.request({
+            method: 'POST',
+            url: '/api/v1/auth/login',
+            body: {
+                username: Cypress.env('user'),
+                password: Cypress.env('password')
+            }
+        })
+        .then(async (responce) => {
+            authKey = await responce['body']['key']
+        })
+    })
+    it('Get a list of users and delete all except id:1', () => {
+        cy.request({
+            url: '/api/v1/users',
+            headers: {
+                Authorization: `Token ${authKey}`
+            }
+        })
+        .then(async (responce) => {
+            const responceResult = await responce['body']['results']
+            for (let user of responceResult) {
+                let userId = user['id']
+                if (userId !== 1) {
+                    cy.request({
+                        method: 'DELETE',
+                        url: `/api/v1/users/${userId}`,
+                        headers: {
+                            Authorization: `Token ${authKey}`
+                        }
+                    })
+                }
+            }
+        })
+    })
+    it('Get a list of tasks and delete them all', ()=> {
+        cy.request({
+            url: '/api/v1/tasks?page_size=1000',
+            headers: {
+                Authorization: `Token ${authKey}`
+            }
+        })
+        .then(async (responce) => {
+            const responceResult = await responce['body']['results']
+            for (let tasks of responceResult) {
+                let taskId = tasks['id']
+                cy.request({
+                    method: 'DELETE',
+                    url: `/api/v1/tasks/${taskId}`,
+                    headers: {
+                        Authorization: `Token ${authKey}`
+                    }
+                })
+            }
+        })
+    })
+})
diff --git a/tests/cypress/support/index.js b/tests/cypress/support/index.js
index bf9295aa..b23790a4 100644
--- a/tests/cypress/support/index.js
+++ b/tests/cypress/support/index.js
@@ -5,3 +5,16 @@
  */
 
 import './commands'
+
+before(() => {
+    if (Cypress.browser.name === 'firefox') {
+        cy.visit('/')
+        cy.get('.ant-modal-body').within(() => {
+            cy.get('.ant-modal-confirm-title')
+            .should('contain', 'Unsupported platform detected')
+            cy.get('.ant-modal-confirm-btns')
+            .contains('OK')
+            .click()
+        })
+    }
+})