Udpating the specs

Some spoecs needed to be updated to match the API being moved
to instance instead of the root editor

app/assets/javascripts/editor/editor_lite.js

-import { editor as monacoEditor, languages as monacoLanguages, Position, Uri } from 'monaco-editor';
+import { editor as monacoEditor, languages as monacoLanguages, Uri } from 'monaco-editor';
 import { DEFAULT_THEME, themes } from '~/ide/lib/themes';
 import languages from '~/ide/lib/languages';
 import { defaultEditorOptions } from '~/ide/lib/editor_options';

spec/frontend/blob_edit/edit_blob_spec.js

@@ -6,10 +6,12 @@ jest.mock('~/editor/editor_lite');
 jest.mock('~/editor/editor_markdown_ext');
 
 describe('Blob Editing', () => {
+  const mockInstance = 'foo';
   beforeEach(() => {
     setFixtures(
-      `<div class="js-edit-blob-form"><div id="file_path"></div><div id="iditor"></div><input id="file-content"></div>`,
+      `<div class="js-edit-blob-form"><div id="file_path"></div><div id="editor"></div><input id="file-content"></div>`,
     );
+    jest.spyOn(EditorLite.prototype, 'createInstance').mockReturnValue(mockInstance);
   });
 
   const initEditor = (isMarkdown = false) => {
@@ -26,6 +28,6 @@ describe('Blob Editing', () => {
 
   it('loads MarkdownExtension only for the markdown files', async () => {
     await initEditor(true);
-    expect(EditorLite.prototype.use).toHaveBeenCalledWith(MarkdownExtension);
+    expect(EditorLite.prototype.use).toHaveBeenCalledWith(MarkdownExtension, mockInstance);
   });
 });

spec/frontend/editor/editor_markdown_ext_spec.js

@@ -78,18 +78,18 @@ describe('Markdown Extension for Editor Lite', () => {
       selectSecondString();
       instance.replaceSelectedText(expectedStr);
 
-      expect(editor.getValue()).toBe(`${firstLine}\n${expectedStr}\n${thirdLine}`);
+      expect(instance.getValue()).toBe(`${firstLine}\n${expectedStr}\n${thirdLine}`);
     });
 
     it('prepends the supplied text if no text is selected', () => {
       instance.replaceSelectedText(expectedStr);
-      expect(editor.getValue()).toBe(`${expectedStr}${firstLine}\n${secondLine}\n${thirdLine}`);
+      expect(instance.getValue()).toBe(`${expectedStr}${firstLine}\n${secondLine}\n${thirdLine}`);
     });
 
     it('replaces selection with empty string if no text is supplied', () => {
       selectSecondString();
       instance.replaceSelectedText();
-      expect(editor.getValue()).toBe(`${firstLine}\n\n${thirdLine}`);
+      expect(instance.getValue()).toBe(`${firstLine}\n\n${thirdLine}`);
     });
 
     it('puts cursor at the end of the new string and collapses selection by default', () => {

spec/frontend/snippet/snippet_bundle_spec.js

@@ -15,11 +15,13 @@ describe('Snippet editor', () => {
   const updatedMockContent = 'New Foo Bar';
 
   const mockEditor = {
-    createInstance: jest.fn(),
     updateModelLanguage: jest.fn(),
     getValue: jest.fn().mockReturnValueOnce(updatedMockContent),
   };
-  Editor.mockImplementation(() => mockEditor);
+  const createInstance = jest.fn().mockImplementation(() => ({ ...mockEditor }));
+  Editor.mockImplementation(() => ({
+    createInstance,
+  }));
 
   function setUpFixture(name, content) {
     setHTMLFixture(`
@@ -56,7 +58,7 @@ describe('Snippet editor', () => {
   });
 
   it('correctly initializes Editor', () => {
-    expect(mockEditor.createInstance).toHaveBeenCalledWith({
+    expect(createInstance).toHaveBeenCalledWith({
       el: editorEl,
       blobPath: mockName,
       blobContent: mockContent,