chore(ckeditor5-mermaid): integrate the rest of the files

packages/ckeditor5-mermaid/tests/mermaid.ts

@@ -1,56 +0,0 @@
-import { describe, expect, it, beforeEach, afterEach } from 'vitest';
-import { ClassicEditor, Essentials, Paragraph, Heading } from 'ckeditor5';
-import Mermaid from '../src/mermaid.js';
-
-describe( 'Mermaid', () => {
-	it( 'should be named', () => {
-		expect( Mermaid.pluginName ).to.equal( 'Mermaid' );
-	} );
-
-	describe( 'init()', () => {
-		let domElement: HTMLElement, editor: ClassicEditor;
-
-		beforeEach( async () => {
-			domElement = document.createElement( 'div' );
-			document.body.appendChild( domElement );
-
-			editor = await ClassicEditor.create( domElement, {
-				licenseKey: 'GPL',
-				plugins: [
-					Paragraph,
-					Heading,
-					Essentials,
-					Mermaid
-				],
-				toolbar: [
-					'mermaid'
-				]
-			} );
-		} );
-
-		afterEach( () => {
-			domElement.remove();
-			return editor.destroy();
-		} );
-
-		it( 'should load Mermaid', () => {
-			const myPlugin = editor.plugins.get( 'Mermaid' );
-
-			expect( myPlugin ).to.be.an.instanceof( Mermaid );
-		} );
-
-		it( 'should add an icon to the toolbar', () => {
-			expect( editor.ui.componentFactory.has( 'mermaid' ) ).to.equal( true );
-		} );
-
-		it( 'should add a text into the editor after clicking the icon', () => {
-			const icon = editor.ui.componentFactory.create( 'mermaid' );
-
-			expect( editor.getData() ).to.equal( '' );
-
-			icon.fire( 'execute' );
-
-			expect( editor.getData() ).to.equal( '<p>Hello CKEditor 5!</p>' );
-		} );
-	} );
-} );