chore(ckeditor5-math): initialize empty plugin

packages/ckeditor5-math/tests/index.ts

@@ -0,0 +1,17 @@
+import { describe, expect, it } from 'vitest';
+import { Math as MathDll, icons } from '../src/index.js';
+import Math from '../src/math.js';
+
+import ckeditor from './../theme/icons/ckeditor.svg';
+
+describe( 'CKEditor5 Math DLL', () => {
+	it( 'exports Math', () => {
+		expect( MathDll ).to.equal( Math );
+	} );
+
+	describe( 'icons', () => {
+		it( 'exports the "ckeditor" icon', () => {
+			expect( icons.ckeditor ).to.equal( ckeditor );
+		} );
+	} );
+} );