Add more screenshot fixtures

Author: novemberborn

media/screenshot-fixtures/magic-assert-buffers.js

@@ -0,0 +1,7 @@
+import test from 'ava';
+
+test('buffers', t => {
+	const actual = Buffer.from('decafbadcab00d1e'.repeat(4), 'hex')
+	const expected = Buffer.from('cab00d1edecafbad' + 'decafbadcab00d1e'.repeat(3), 'hex')
+	t.deepEqual(actual, expected)
+});

media/screenshot-fixtures/magic-assert-exceptions.js

@@ -0,0 +1,6 @@
+import fs from 'fs';
+import test from 'ava';
+
+test('exception', t => {
+	fs.readFileSync('non-existent-file')
+});