chore: code style

Author: Katalam

README.md

@@ -65,5 +65,5 @@ This plugin afford math related expectations.
 $$\mid -3 \mid$$
 ```php
     expect(3)->toBeAbsoluteOf(-3);
-    expect(3)->not->toBeAbsoluteOf(4);
+    expect(-3)->not->toBeAbsoluteOf(-3);
 ```

src/Expectation.php

@@ -133,6 +133,6 @@ public function toBeFactorialOf(int $number): PestExpectation
      */
     public function toBeAbsoluteOf(int|float $number): PestExpectation
     {
-        return expect($this->value === abs($number))->toBeTrue("$this->value !== abs($number)");
+        return expect($this->value === abs($number))->toBeTrue("$this->value doesn't equal abs($number)");
     }
 }

tests/toBeAbsolute.php

@@ -8,14 +8,14 @@
 })->with([1, 3, 5, 7, 9, 4.6, 7.8]);
 
 it('passes not', function (int|float $number): void {
-    expect($number + 1)->not->toBeAbsoluteOf($number)
-        ->and($number + 1)->not->toBeAbsoluteOf(-$number);
+    expect(-$number)->not->toBeAbsoluteOf($number)
+        ->and(-$number)->not->toBeAbsoluteOf(-$number);
 })->with([1, 3, 5, 7, 9, 4.6, 7.8]);
 
 test('failures', function (): void {
     expect(-8)->toBeAbsoluteOf(8);
-})->throws(ExpectationFailedException::class);
+})->throws(ExpectationFailedException::class, "-8 doesn't equal abs(8)");
 
 test('failures not', function (): void {
-    expect(8)->not->toBeAbsoluteOf(8);
+    expect(8)->not->toBeAbsoluteOf(-8);
 })->throws(ExpectationFailedException::class);