diff --git a/superset-frontend/src/dashboard/components/gridComponents/Tabs.test.tsx b/superset-frontend/src/dashboard/components/gridComponents/Tabs.test.tsx
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+++ b/superset-frontend/src/dashboard/components/gridComponents/Tabs.test.tsx
@@ -0,0 +1,233 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import userEvent from '@testing-library/user-event';
+import React from 'react';
+import { render, screen, waitFor } from 'spec/helpers/testing-library';
+import DashboardComponent from 'src/dashboard/containers/DashboardComponent';
+import DragDroppable from 'src/dashboard/components/dnd/DragDroppable';
+import DeleteComponentButton from 'src/dashboard/components/DeleteComponentButton';
+import getLeafComponentIdFromPath from 'src/dashboard/util/getLeafComponentIdFromPath';
+
+import Tabs from './Tabs';
+
+jest.mock('src/dashboard/containers/DashboardComponent', () =>
+  jest.fn(props => (
+    <button
+      type="button"
+      onClick={() =>
+        props.onDropOnTab({ destination: { id: 'TAB-YT6eNksV-' } })
+      }
+      data-test="DashboardComponent"
+    >
+      DashboardComponent
+    </button>
+  )),
+);
+
+jest.mock('src/dashboard/components/DeleteComponentButton', () =>
+  jest.fn(props => (
+    <button
+      type="button"
+      data-test="DeleteComponentButton"
+      onClick={props.onDelete}
+    >
+      DeleteComponentButton
+    </button>
+  )),
+);
+jest.mock('src/dashboard/util/getLeafComponentIdFromPath', () => jest.fn());
+
+jest.mock('src/dashboard/components/dnd/DragDroppable', () =>
+  jest.fn(props => {
+    const childProps = props.editMode
+      ? {
+          dragSourceRef: props.dragSourceRef,
+          dropIndicatorProps: props.dropIndicatorProps,
+        }
+      : {};
+    return (
+      <div>
+        <button type="button" data-test="DragDroppable" onClick={props.onDrop}>
+          DragDroppable
+        </button>
+        {props.children(childProps)}
+      </div>
+    );
+  }),
+);
+
+const createProps = () => ({
+  id: 'TABS-L-d9eyOE-b',
+  parentId: 'GRID_ID',
+  depth: 2,
+  index: 0,
+  availableColumnCount: 12,
+  columnWidth: 120,
+  isComponentVisible: true,
+  component: {
+    children: ['TAB-AsMaxdYL_t', 'TAB-YT6eNksV-', 'TAB-l_9I0aNYZ'],
+    id: 'TABS-L-d9eyOE-b',
+    meta: {},
+    parents: ['ROOT_ID', 'GRID_ID'],
+    type: 'TABS',
+  },
+  parentComponent: {
+    children: ['TABS-L-d9eyOE-b'],
+    id: 'GRID_ID',
+    parents: ['ROOT_ID'],
+    type: 'GRID',
+  },
+  editMode: true,
+  undoLength: 0,
+  redoLength: 0,
+  filters: {},
+  directPathToChild: [],
+  directPathLastUpdated: 1617395480760,
+  dashboardId: 23,
+  focusedFilterScope: null,
+  renderTabContent: true,
+  renderHoverMenu: true,
+  logEvent: jest.fn(),
+  createComponent: jest.fn(),
+  handleComponentDrop: jest.fn(),
+  onChangeTab: jest.fn(),
+  deleteComponent: jest.fn(),
+  updateComponents: jest.fn(),
+});
+
+beforeEach(() => {
+  jest.clearAllMocks();
+});
+
+test('Should render editMode:true', () => {
+  const props = createProps();
+  render(<Tabs {...props} />, { useRedux: true, useDnd: true });
+  expect(screen.getAllByRole('tab')).toHaveLength(3);
+  expect(DragDroppable).toBeCalledTimes(1);
+  expect(DashboardComponent).toBeCalledTimes(4);
+  expect(DeleteComponentButton).toBeCalledTimes(1);
+  expect(screen.getAllByRole('button', { name: 'remove' })).toHaveLength(3);
+  expect(screen.getAllByRole('button', { name: 'Add tab' })).toHaveLength(2);
+});
+
+test('Should render editMode:false', () => {
+  const props = createProps();
+  props.editMode = false;
+  render(<Tabs {...props} />, { useRedux: true, useDnd: true });
+  expect(screen.getAllByRole('tab')).toHaveLength(3);
+  expect(DragDroppable).toBeCalledTimes(1);
+  expect(DashboardComponent).toBeCalledTimes(4);
+  expect(DeleteComponentButton).not.toBeCalled();
+  expect(
+    screen.queryByRole('button', { name: 'remove' }),
+  ).not.toBeInTheDocument();
+  expect(
+    screen.queryByRole('button', { name: 'Add tab' }),
+  ).not.toBeInTheDocument();
+});
+
+test('Update component props', () => {
+  const props = createProps();
+  (getLeafComponentIdFromPath as jest.Mock).mockResolvedValueOnce('none');
+  props.editMode = false;
+  const { rerender } = render(<Tabs {...props} />, {
+    useRedux: true,
+    useDnd: true,
+  });
+  expect(DeleteComponentButton).not.toBeCalled();
+
+  props.editMode = true;
+  rerender(<Tabs {...props} />);
+  expect(DeleteComponentButton).toBeCalledTimes(1);
+});
+
+test('Clicking on "DeleteComponentButton"', () => {
+  const props = createProps();
+  render(<Tabs {...props} />, {
+    useRedux: true,
+    useDnd: true,
+  });
+
+  expect(props.deleteComponent).not.toBeCalled();
+  userEvent.click(screen.getByTestId('DeleteComponentButton'));
+  expect(props.deleteComponent).toBeCalledWith('TABS-L-d9eyOE-b', 'GRID_ID');
+});
+
+test('Add new tab', () => {
+  const props = createProps();
+  render(<Tabs {...props} />, {
+    useRedux: true,
+    useDnd: true,
+  });
+
+  expect(props.createComponent).not.toBeCalled();
+  userEvent.click(screen.getAllByRole('button', { name: 'Add tab' })[0]);
+  expect(props.createComponent).toBeCalled();
+});
+
+test('Removing a tab', async () => {
+  const props = createProps();
+  render(<Tabs {...props} />, {
+    useRedux: true,
+    useDnd: true,
+  });
+
+  expect(props.deleteComponent).not.toBeCalled();
+  expect(screen.queryByText('Delete dashboard tab?')).not.toBeInTheDocument();
+  userEvent.click(screen.getAllByRole('button', { name: 'remove' })[0]);
+  expect(props.deleteComponent).not.toBeCalled();
+
+  expect(await screen.findByText('Delete dashboard tab?')).toBeInTheDocument();
+
+  expect(props.deleteComponent).not.toBeCalled();
+  userEvent.click(screen.getByRole('button', { name: 'DELETE' }));
+  expect(props.deleteComponent).toBeCalled();
+});
+
+test('Switching tabs', () => {
+  const props = createProps();
+  render(<Tabs {...props} />, {
+    useRedux: true,
+    useDnd: true,
+  });
+
+  expect(props.logEvent).not.toBeCalled();
+  expect(props.onChangeTab).not.toBeCalled();
+  userEvent.click(screen.getAllByRole('tab')[2]);
+  expect(props.logEvent).toBeCalled();
+  expect(props.onChangeTab).toBeCalled();
+});
+
+test('Call "DashboardComponent.onDropOnTab"', async () => {
+  const props = createProps();
+  render(<Tabs {...props} />, {
+    useRedux: true,
+    useDnd: true,
+  });
+
+  expect(props.logEvent).not.toBeCalled();
+  expect(props.onChangeTab).not.toBeCalled();
+  userEvent.click(screen.getAllByText('DashboardComponent')[0]);
+
+  await waitFor(() => {
+    expect(props.logEvent).toBeCalled();
+    expect(props.onChangeTab).toBeCalled();
+  });
+});