diff --git a/tests/Unit/ResourceLimitsTest.php b/tests/Unit/ResourceLimitsTest.php
index 1e656fd..7bc667a 100644
--- a/tests/Unit/ResourceLimitsTest.php
+++ b/tests/Unit/ResourceLimitsTest.php
@@ -3,36 +3,40 @@
 use Spatie\PdfToImage\Enums\ResourceLimitType;
 use Spatie\PdfToImage\Pdf;
 
+beforeEach(function () {
+    $this->memory128MbInBytes = 134217728;
+});
+
 it('sets the area resource limit', function () {
     $pdf = new Pdf($this->testFile);
-    $im = $pdf->resourceLimit(ResourceLimitType::Area, 1024 * 1024 * 128)
+    $im = $pdf->resourceLimit(ResourceLimitType::Area, $this->memory128MbInBytes)
         ->getImageData($this->testFile, 1);
 
-    expect((int) $im::getResourceLimit(ResourceLimitType::Area->value))->toBeGreaterThanOrEqual((int) 1024 * 1024 * 128);
+    expect((int) $im::getResourceLimit(ResourceLimitType::Area->value))->toBeGreaterThanOrEqual($this->memory128MbInBytes);
 });
 
 it('sets the disk resource limit', function () {
     $pdf = new Pdf($this->testFile);
-    $im = $pdf->resourceLimit(ResourceLimitType::Disk, 1024 * 1024 * 128)
+    $im = $pdf->resourceLimit(ResourceLimitType::Disk, $this->memory128MbInBytes)
         ->getImageData($this->testFile, 1);
 
-    expect((int) $im::getResourceLimit(ResourceLimitType::Disk->value))->toBeGreaterThanOrEqual((int) 1024 * 1024 * 128);
+    expect((int) $im::getResourceLimit(ResourceLimitType::Disk->value))->toBeGreaterThanOrEqual($this->memory128MbInBytes);
 });
 
 it('sets the map resource limit', function () {
     $pdf = new Pdf($this->testFile);
-    $im = $pdf->resourceLimit(ResourceLimitType::Map, 1024 * 1024 * 128)
+    $im = $pdf->resourceLimit(ResourceLimitType::Map, $this->memory128MbInBytes)
         ->getImageData($this->testFile, 1);
 
-    expect((int) $im::getResourceLimit(ResourceLimitType::Map->value))->toBeGreaterThanOrEqual((int) 1024 * 1024 * 128);
+    expect((int) $im::getResourceLimit(ResourceLimitType::Map->value))->toBeGreaterThanOrEqual($this->memory128MbInBytes);
 });
 
 it('sets the memory resource limit', function () {
     $pdf = new Pdf($this->testFile);
-    $im = $pdf->resourceLimit(ResourceLimitType::Memory, 1024 * 1024 * 128)
+    $im = $pdf->resourceLimit(ResourceLimitType::Memory, $this->memory128MbInBytes)
         ->getImageData($this->testFile, 1);
 
-    expect((int) $im::getResourceLimit(ResourceLimitType::Memory->value))->toBeGreaterThanOrEqual((int) 1024 * 1024 * 128);
+    expect((int) $im::getResourceLimit(ResourceLimitType::Memory->value))->toBeGreaterThanOrEqual($this->memory128MbInBytes);
 });
 
 it('sets the time resource limit', function () {