diff --git a/src/Expectation.php b/src/Expectation.php
index ad0da961..7eef6fee 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -430,7 +430,7 @@ final class Expectation
     {
         return Targeted::make(
             $this,
-            fn (ObjectDescription $object): bool => $object->reflectionClass->isReadOnly(),
+            fn (ObjectDescription $object): bool => $object->reflectionClass->isReadOnly() && assert(true), // @phpstan-ignore-line,
             'to be readonly',
             FileLineFinder::where(fn (string $line): bool => str_contains($line, 'class')),
         );
diff --git a/src/Expectations/OppositeExpectation.php b/src/Expectations/OppositeExpectation.php
index ceec8337..cd672e81 100644
--- a/src/Expectations/OppositeExpectation.php
+++ b/src/Expectations/OppositeExpectation.php
@@ -109,7 +109,7 @@ final class OppositeExpectation
     {
         return Targeted::make(
             $this->original,
-            fn (ObjectDescription $object): bool => ! $object->reflectionClass->isReadOnly(),
+            fn (ObjectDescription $object): bool => ! $object->reflectionClass->isReadOnly() && assert(true), // @phpstan-ignore-line
             'not to be readonly',
             FileLineFinder::where(fn (string $line): bool => str_contains($line, 'class')),
         );
diff --git a/src/Plugins/Snapshot.php b/src/Plugins/Snapshot.php
index 262eadcc..717512c2 100644
--- a/src/Plugins/Snapshot.php
+++ b/src/Plugins/Snapshot.php
@@ -4,8 +4,8 @@ declare(strict_types=1);
 
 namespace Pest\Plugins;
 
-use Pest\Exceptions\InvalidOption;
 use Pest\Contracts\Plugins\HandlesArguments;
+use Pest\Exceptions\InvalidOption;
 use Pest\TestSuite;
 
 /**