Issue #3291700 by dww: hack EditorIntegrationTest to know that #3291047 is not backported to 9.4.x.

    $editors = ['editor'];

    $attachments = $this->editorSelector->getEditorAttachments($editors);

    $this->assertSame(['library' => ['quickedit/quickedit.inPlaceEditor.formattedText']], $attachments, "Expected attachments for Editor module's in-place editor found.");

    // Since #3291047 is not backported to 9.4.x in core, the expected module

    // providing this library is different for each core branch. If we're on

    // 9.5.* and up, it should be coming from 'quickedit', but prior to that

    // it's from 'editor'.

    $provider = version_compare(\Drupal::VERSION, '9.4.999999', '>') ? 'quickedit' : 'editor';

    $this->assertSame(['library' => [$provider . '/quickedit.inPlaceEditor.formattedText']], $attachments, "Expected attachments for Editor module's in-place editor found.");

  }

  /**