diff --git a/pdf-umbenenner-adapter-out/src/test/java/de/gecheckt/pdf/umbenenner/adapter/out/ai/AnthropicClaudeAdapterIntegrationTest.java b/pdf-umbenenner-adapter-out/src/test/java/de/gecheckt/pdf/umbenenner/adapter/out/ai/AnthropicClaudeAdapterIntegrationTest.java
index d122881..e143001 100644
--- a/pdf-umbenenner-adapter-out/src/test/java/de/gecheckt/pdf/umbenenner/adapter/out/ai/AnthropicClaudeAdapterIntegrationTest.java
+++ b/pdf-umbenenner-adapter-out/src/test/java/de/gecheckt/pdf/umbenenner/adapter/out/ai/AnthropicClaudeAdapterIntegrationTest.java
@@ -115,9 +115,7 @@ class AnthropicClaudeAdapterIntegrationTest {
                 + "\"stop_reason\":\"end_turn\""
                 + "}";
 
-        HttpResponse<String> mockHttpResponse = mock(HttpResponse.class);
-        when(mockHttpResponse.statusCode()).thenReturn(200);
-        when(mockHttpResponse.body()).thenReturn(anthropicResponseBody);
+        HttpResponse<String> mockHttpResponse = mockStringResponse(200, anthropicResponseBody);
         doReturn(mockHttpResponse).when(mockHttpClient).send(any(HttpRequest.class), any());
 
         // --- Create the Claude adapter with the mocked HTTP client ---
@@ -178,6 +176,19 @@ class AnthropicClaudeAdapterIntegrationTest {
     // Helpers
     // =========================================================================
 
+    /**
+     * Creates a typed mock {@link HttpResponse} to avoid unchecked-cast warnings at call sites.
+     * The suppression is confined to this helper because the raw-type cast is technically
+     * unavoidable due to type erasure when mocking generic interfaces.
+     */
+    @SuppressWarnings("unchecked")
+    private static HttpResponse<String> mockStringResponse(int statusCode, String body) {
+        HttpResponse<String> response = (HttpResponse<String>) mock(HttpResponse.class);
+        when(response.statusCode()).thenReturn(statusCode);
+        when(response.body()).thenReturn(body);
+        return response;
+    }
+
     /**
      * Creates a single-page searchable PDF with embedded text using PDFBox.
      */