fix: import intlProvider from frontend-platform

Author: diana-villalvazo-wgu

src/containers/CoursesPanel/index.test.jsx

@@ -1,5 +1,5 @@
 import { render, screen } from '@testing-library/react';
-import { IntlProvider } from 'react-intl';
+import { IntlProvider } from '@edx/frontend-platform/i18n';
 import { FilterKeys } from 'data/constants/app';
 import { reduxHooks } from 'hooks';
 

src/containers/Dashboard/DashboardLayout.test.jsx

@@ -1,5 +1,5 @@
 import { render, screen } from '@testing-library/react';
-import { IntlProvider } from 'react-intl';
+import { IntlProvider } from '@edx/frontend-platform/i18n';
 
 import hooks from './hooks';
 import DashboardLayout from './DashboardLayout';

src/containers/Dashboard/index.test.jsx

@@ -1,5 +1,5 @@
 import { render, screen } from '@testing-library/react';
-import { IntlProvider } from 'react-intl';
+import { IntlProvider } from '@edx/frontend-platform/i18n';
 
 import { reduxHooks } from 'hooks';
 import hooks from './hooks';

src/containers/EmailSettingsModal/index.test.jsx

@@ -1,5 +1,5 @@
 import { render, screen } from '@testing-library/react';
-import { IntlProvider } from 'react-intl';
+import { IntlProvider } from '@edx/frontend-platform/i18n';
 
 import hooks from './hooks';
 import EmailSettingsModal from '.';