diff --git a/tests/Unit/API/APIResponseTest.php b/tests/Unit/API/APIResponseTest.php
index 0475852..72dfad6 100644
--- a/tests/Unit/API/APIResponseTest.php
+++ b/tests/Unit/API/APIResponseTest.php
@@ -69,6 +69,19 @@ public function testHeadersArrayPreservesRepeatedValues(): void
         );
     }
 
+    public function testHeadersArrayIgnoresInvalidProtocolEntries(): void
+    {
+        $response = new APIResponse([
+            'headersArray' => [
+                'invalid',
+                ['name' => 123, 'value' => 'value'],
+                ['name' => 'x-valid', 'value' => 'value'],
+            ],
+        ]);
+
+        $this->assertSame(['x-valid' => ['value']], $response->headersArray());
+    }
+
     public function testHeadersArrayFallsBackToNormalizedHeaders(): void
     {
         $response = new APIResponse([
@@ -105,6 +118,13 @@ public function testInvalidBase64RaisesAPlaywrightException(): void
         $response->text();
     }
 
+    public function testNonStringBodyUsesAnEmptyString(): void
+    {
+        $response = new APIResponse(['body' => ['not', 'a', 'string']]);
+
+        $this->assertSame('', $response->text());
+    }
+
     public function testMissingValuesUseSafeDefaults(): void
     {
         $response = new APIResponse([]);