fix last failing test

Author: martin-mfg

bin/utils/test_file_list.yaml

@@ -36,7 +36,7 @@
 - filename: "samples/client/petstore/java/okhttp-gson-3.1/src/test/java/org/openapitools/client/api/PetApiTest.java"
   sha256: d8f7fff724f81e666daf115cc25f8347e1fda4e861aa30df0dae3fa50c91404c
 - filename: "samples/client/petstore/java/okhttp-gson-dynamicOperations/src/test/java/org/openapitools/client/api/PetApiTest.java"
-  sha256: 5fc397856b79562bb49082658dbc44a62f342834b1e510fe75545a7566e363af
+  sha256: 0cc079be64fe261b46f89976be2cbfad4fe5173dbe0d4b45303570299b0b5ecc
 - filename: "samples/client/petstore/java/okhttp-gson-dynamicOperations/src/test/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnlyTest.java"
   sha256: 3c41eb12d126f90392d97e3250b53ea9dce1663fb714a19339445b9da734d634
 - filename: "samples/client/petstore/java/resteasy/src/test/java/org/openapitools/client/api/PetApiTest.java"

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/test/java/org/openapitools/client/api/PetApiTest.java

@@ -206,7 +206,8 @@ public void onDownloadProgress(long bytesRead, long contentLength, boolean done)
         } while (result.isEmpty());
         assertNotNull(exception);
         assertEquals(404, exception.getCode());
-        assertEquals("Not Found", exception.getMessage());
+        String pattern = "^Message: Not Found\\RHTTP response code: 404\\RHTTP response body: .*\\RHTTP response headers: .*$";
+        assertTrue(exception.getMessage().matches(pattern));
         assertEquals("application/json", exception.getResponseHeaders().get("Content-Type").get(0));
         api.deletePet(pet.getId(), null);
     }