fix: package lock fingerprint

tests/Features/Expect/toBeCallable.php

@@ -1,26 +1,26 @@
 <?php
 
+declare(strict_types=1);
+
 use PHPUnit\Framework\ExpectationFailedException;
 
-test('pass', function () {
-    expect(function () {})->toBeCallable();
-    expect(null)->not->toBeCallable();
+test('pass', function (): void {
+    expect(function (): void {})->toBeCallable()
+        ->and(null)->not->toBeCallable();
 });
 
-test('failures', function () {
+test('failures', function (): void {
     $hello = 5;
 
     expect($hello)->toBeCallable();
 })->throws(ExpectationFailedException::class);
 
-test('failures with custom message', function () {
+test('failures with custom message', function (): void {
     $hello = 5;
 
     expect($hello)->toBeCallable('oh no!');
 })->throws(ExpectationFailedException::class, 'oh no!');
 
-test('not failures', function () {
-    expect(function () {
-        return 42;
-    })->not->toBeCallable();
+test('not failures', function (): void {
+    expect(fn (): int => 42)->not->toBeCallable();
 })->throws(ExpectationFailedException::class);