diff --git a/test/ComposerRequireCheckerTest/FileLocator/LocateAllFilesByExtensionTest.php b/test/ComposerRequireCheckerTest/FileLocator/LocateAllFilesByExtensionTest.php
index b07e6396..0e5a6ba2 100644
--- a/test/ComposerRequireCheckerTest/FileLocator/LocateAllFilesByExtensionTest.php
+++ b/test/ComposerRequireCheckerTest/FileLocator/LocateAllFilesByExtensionTest.php
@@ -52,10 +52,11 @@ public function testLocateFromASingleDirectory(): void
         }
 
         $foundFiles = $this->locate([$dir], '.php', null);
+        $foundFiles = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $foundFiles);
 
         $this->assertCount(count($files), $foundFiles);
         foreach ($files as $file) {
-            $this->assertContains($file, str_replace('\\', '/', $foundFiles));
+            $this->assertContains($file, $foundFiles);
         }
     }
 
@@ -157,7 +158,7 @@ private function locate(array $directories, string $fileExtension, array|null $b
     {
         $files = [];
         foreach (($this->locator)(new ArrayObject($directories), $fileExtension, $blacklist) as $file) {
-            $files[] = str_replace('\\', '/', $file);
+            $files[] = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $file);
         }
 
         return $files;
diff --git a/test/ComposerRequireCheckerTest/FileLocator/LocateComposerPackageDirectDependenciesSourceFilesTest.php b/test/ComposerRequireCheckerTest/FileLocator/LocateComposerPackageDirectDependenciesSourceFilesTest.php
index 55e0bb96..f304766c 100644
--- a/test/ComposerRequireCheckerTest/FileLocator/LocateComposerPackageDirectDependenciesSourceFilesTest.php
+++ b/test/ComposerRequireCheckerTest/FileLocator/LocateComposerPackageDirectDependenciesSourceFilesTest.php
@@ -63,7 +63,7 @@ public function testSingleDependency(): void
         $this->assertCount(1, $files);
 
         $expectedFile = $this->path('vendor/foo/bar/src/MyClass.php');
-        $actualFile   = str_replace('\\', '/', reset($files));
+        $actualFile   = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, reset($files));
         $this->assertSame($expectedFile, $actualFile);
     }
 
@@ -89,7 +89,7 @@ public function testVendorConfigSettingIsBeingUsed(): void
         $this->assertCount(1, $files);
 
         $expectedFile = $this->path('alternate-vendor/foo/bar/src/MyClass.php');
-        $actualFile   = str_replace('\\', '/', reset($files));
+        $actualFile   = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, reset($files));
         $this->assertSame($expectedFile, $actualFile);
     }
 
@@ -104,7 +104,7 @@ public function testInstalledJsonUsedAsFallback(): void
         $this->assertCount(1, $files);
 
         $expectedFile = $this->path('vendor/foo/bar/src/MyClass.php');
-        $actualFile   = str_replace('\\', '/', reset($files));
+        $actualFile   = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, reset($files));
         $this->assertSame($expectedFile, $actualFile);
 
         // Ensure we didn't leave our temporary composer.json lying around
@@ -125,7 +125,7 @@ public function testOldInstalledJsonUsedAsFallback(): void
         $this->assertCount(1, $files);
 
         $expectedFile = $this->path('vendor/foo/bar/src/MyClass.php');
-        $actualFile   = str_replace('\\', '/', reset($files));
+        $actualFile   = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, reset($files));
         $this->assertSame($expectedFile, $actualFile);
 
         // Ensure we didn't leave our temporary composer.json lying around
diff --git a/test/ComposerRequireCheckerTest/FileLocator/LocateComposerPackageSourceFilesTest.php b/test/ComposerRequireCheckerTest/FileLocator/LocateComposerPackageSourceFilesTest.php
index 0b76e4e4..fab11ba4 100644
--- a/test/ComposerRequireCheckerTest/FileLocator/LocateComposerPackageSourceFilesTest.php
+++ b/test/ComposerRequireCheckerTest/FileLocator/LocateComposerPackageSourceFilesTest.php
@@ -215,7 +215,7 @@ private function files(string $composerJson): array
         $files          = [];
         $filesGenerator = ($this->locator)($composerData, dirname($composerJson));
         foreach ($filesGenerator as $file) {
-            $files[] = str_replace('\\', '/', $file);
+            $files[] = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $file);
         }
 
         return $files;
diff --git a/test/ComposerRequireCheckerTest/FileLocator/LocateFilesByGlobPatternTest.php b/test/ComposerRequireCheckerTest/FileLocator/LocateFilesByGlobPatternTest.php
index 94377f34..2fe06e3d 100644
--- a/test/ComposerRequireCheckerTest/FileLocator/LocateFilesByGlobPatternTest.php
+++ b/test/ComposerRequireCheckerTest/FileLocator/LocateFilesByGlobPatternTest.php
@@ -8,6 +8,8 @@
 use PHPUnit\Framework\TestCase;
 use Spatie\TemporaryDirectory\TemporaryDirectory;
 
+use function array_map;
+use function realpath;
 use function str_replace;
 use function touch;
 
@@ -43,10 +45,13 @@ public function testGlobPattern(): void
         touch($this->path('bin/console123.php'));
         touch($this->path('bin/not-console'));
 
-        $files = $this->files(['bin/console*.php'], $this->root->path() . '/');
+        $files = $this->files(['bin' . DIRECTORY_SEPARATOR . 'console*.php'], $this->root->path() . DIRECTORY_SEPARATOR);
+        $files = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $files);
+        $files = array_map('realpath', $files);
+
         self::assertCount(2, $files);
-        self::assertContains($this->path('bin/console.php'), $files);
-        self::assertContains($this->path('bin/console123.php'), $files);
+        self::assertContains(realpath($this->path('bin/console.php')), $files);
+        self::assertContains(realpath($this->path('bin/console123.php')), $files);
     }
 
     /**
@@ -59,7 +64,7 @@ private function files(array $globPatterns, string $dir): array
         $files          = [];
         $filesGenerator = ($this->locator)($globPatterns, $dir);
         foreach ($filesGenerator as $file) {
-            $files[] = $file;
+            $files[] = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $file);
         }
 
         return $files;