diff --git a/tests/system/Commands/RoutesTest.php b/tests/system/Commands/RoutesTest.php
index 6d506274145d..bb89d35bb96d 100644
--- a/tests/system/Commands/RoutesTest.php
+++ b/tests/system/Commands/RoutesTest.php
@@ -39,7 +39,7 @@ protected function tearDown(): void
 
     protected function getBuffer()
     {
-        return $this->getStreamFilterBuffer();
+        return str_replace(PHP_EOL, "\n", $this->getStreamFilterBuffer());
     }
 
     private function getCleanRoutes(): RouteCollection
diff --git a/tests/system/Commands/Utilities/NamespacesTest.php b/tests/system/Commands/Utilities/NamespacesTest.php
index 1b9d15a9e361..26eabd32895f 100644
--- a/tests/system/Commands/Utilities/NamespacesTest.php
+++ b/tests/system/Commands/Utilities/NamespacesTest.php
@@ -35,9 +35,16 @@ protected function tearDown(): void
         $this->resetServices();
     }
 
+    /**
+     * @see https://regex101.com/r/l3lHfR/1
+     */
     protected function getBuffer()
     {
-        return $this->getStreamFilterBuffer();
+        return preg_replace_callback('/(\|\s*[^|]+\s*\|\s*)(.*?)(\s*\|\s*[^|]+\s*\|)/', static function (array $matches) {
+            $matches[2] = str_replace(DIRECTORY_SEPARATOR, '/', $matches[2]);
+
+            return $matches[1] . $matches[2] . $matches[3];
+        }, str_replace(PHP_EOL, "\n", $this->getStreamFilterBuffer()));
     }
 
     public function testNamespacesCommandCodeIgniterOnly()