feat(expect): add more methods

tests/Expect/toEqualCanonicalizing.php

@@ -0,0 +1,16 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('pass', function () {
+    expect('00123')->toEqualCanonicalizing(123);
+    expect(['a', 'b', 'c'])->toEqualCanonicalizing(['c', 'a', 'b']);
+});
+
+test('failures', function () {
+    expect(['a', 'b', 'c'])->toEqualCanonicalizing(['a', 'b']);
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect('042')->not->toEqualCanonicalizing(42);
+})->throws(ExpectationFailedException::class);