[remark-extend] failing tests for advanced js

[tlouisse]

Test cases that illustrate the issue addressed here: https://github.com/ing-bank/lion/issues/1578

    it('supports js content', async () => {
      const result = await executeMd(
        [
          //
          "```js ::importBlockContent('./fixtures/js-simple.md', '## Simple')",
          '```',
        ].join('\n'),
      );

      expect(result).to.equal(
        [
          //
          '```js',
          "const x = 'My Example';",
          '```',
          '',
        ].join('\n'),
      );
    });

    it('considers variables outside imported block', async () => {
      const result = await executeMd(
        [
          //
          "```js ::importBlockContent('./fixtures/js-advanced-1.md', '## Consuming shared var')",
          '```',
        ].join('\n'),
      );

      expect(result).to.equal(
        [
          //
          '```js',
          "import { sharedVar } from 'some-global-lib';",
          // This file is needed for its side effect
          // Note its location changed from '../some-local-file.js' to './some-local-file.js'
          "import './some-local-file.js';",
          '```',
          '',
          '```js',
          'export const x = sharedVar`My Example`;',
          '```',
          '',
        ].join('\n'),
      );
    });

    // N.B. if the goal of remark-extend is only to extend lion docs, we can limit the
    // functionality to 1:1 mappings of page names and leave this a nice to have
    it.skip('considers name clashes in variables outside imported blocks of multiple files', async () => {
      const result = await executeMd(
        [
          //
          "```js ::importBlockContent('./fixtures/js-advanced-1.md', '## Consuming shared var')",
          '```',
          '',
          "```js ::importBlockContent('./fixtures/js-advanced-2.md', '## Consuming conflicting shared var')",
          '```',
        ].join('\n'),
      );

      expect(result).to.equal(
        [
          //
          '```js',
          "import { sharedVar } from 'some-global-lib';",
          "import { sharedVar_2 } from 'some-other-global-lib';",
          "import '../some-local-file.js';",
          '```',
          '',
          '```js',
          'export const x = sharedVar`My Example`;',
          '```',
          '',
          '```js',
          'export const y = sharedVar_2`My Example`;',
          '```',
          '',
        ].join('\n'),
      );
    });

[changeset-bot[bot]]

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Latest commit: dc7355bbea609a207a496d2b44a7f7ef62688668

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[gerjanvangeest]

This PR is abandoned, please reopen and update it if you still want this fix applied in our codebase.