[Test] Add MFM test

test/mfm.ts

@@ -247,6 +247,13 @@ describe('Text', () => {
 			assert.deepEqual(
 				{ type: 'text', content: 'a [a]\nb [b]\nc [c]' }
 			, tokens3[0]);
+
+			const tokens4 = analyze('foo\n【bar】\nbuzz');
+			assert.deepEqual([
+				{ type: 'foo', content: 'foo\n' },
+				{ type: 'title', content: '【bar】\n', title: 'bar' },
+				{ type: 'foo', content: 'buzz' },
+			], tokens4);
 		});
 	});