Index: trunk/test/functional/org/openstreetmap/josm/tools/HttpClientTest.java
===================================================================
--- trunk/test/functional/org/openstreetmap/josm/tools/HttpClientTest.java	(revision 15737)
+++ trunk/test/functional/org/openstreetmap/josm/tools/HttpClientTest.java	(revision 15741)
@@ -117,4 +117,6 @@
             assertThat(root.getJsonObject("args").getString("foo"), is("bar"));
             assertThat(root.getString("url"), is("https://httpbin.org/get?foo=bar"));
+            assertThat(root.getJsonObject("headers").get("Cache-Control"), nullValue());
+            assertThat(root.getJsonObject("headers").get("Pragma"), nullValue());
         }
     }