refactor: organize app extensions

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

frontend/src/extensions/extra-integrations/csv/csv-table-markdown-extension.spec.tsx

@@ -1,40 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2023 The HedgeDoc developers (see AUTHORS file)
- *
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-import type { CodeProps } from '../../../components/markdown-renderer/replace-components/code-block-component-replacer'
-import { TestMarkdownRenderer } from '../../../components/markdown-renderer/test-utils/test-markdown-renderer'
-import { mockI18n } from '../../../test-utils/mock-i18n'
-import * as CsvTableModule from '../csv/csv-table'
-import { CsvTableMarkdownExtension } from './csv-table-markdown-extension'
-import { render } from '@testing-library/react'
-import React from 'react'
-
-jest.mock('../csv/csv-table')
-
-describe('CSV Table Markdown Extension', () => {
-  beforeAll(async () => {
-    jest.spyOn(CsvTableModule, 'CsvTable').mockImplementation((({ code }) => {
-      return (
-        <span>
-          this is a mock for csv frame
-          <code>{code}</code>
-        </span>
-      )
-    }) as React.FC<CodeProps>)
-    await mockI18n()
-  })
-
-  afterAll(() => {
-    jest.resetModules()
-    jest.restoreAllMocks()
-  })
-
-  it('renders a csv codeblock', () => {
-    const view = render(
-      <TestMarkdownRenderer extensions={[new CsvTableMarkdownExtension()]} content={'```csv\na;b;c\nd;e;f\n```'} />
-    )
-    expect(view.container).toMatchSnapshot()
-  })
-})