test(text editor): add tests for list handling functions

- move test files into separate folder

Author: john-traas

src/components/text-editor/prosemirror-adapter/menu/menu-command.spec.tsx renamed to src/components/text-editor/prosemirror-adapter/menu/__tests__/menu-command.spec.tsx

@@ -5,9 +5,9 @@ import { schema as basicSchema } from 'prosemirror-schema-basic';
 import { keymap } from 'prosemirror-keymap';
 import { exampleSetup } from 'prosemirror-example-setup';
 import { EditorView } from 'prosemirror-view';
-import { MenuCommandFactory } from './menu-commands';
-import { EditorMenuTypes } from './types';
-import { strikethrough } from './menu-schema-extender';
+import { MenuCommandFactory } from '../menu-commands';
+import { EditorMenuTypes } from '../types';
+import { strikethrough } from '../menu-schema-extender';
 
 describe('MenuCommandFactory', () => {
     let mySchema: Schema;