Add itest for swagger json
diff --git a/itests/multi-bundle/src/test/java/org/apache/cxf/dosgi/itests/multi/TestExportService.java b/itests/multi-bundle/src/test/java/org/apache/cxf/dosgi/itests/multi/TestExportService.java
index a4bc5a1..fcc70c0 100644
--- a/itests/multi-bundle/src/test/java/org/apache/cxf/dosgi/itests/multi/TestExportService.java
+++ b/itests/multi-bundle/src/test/java/org/apache/cxf/dosgi/itests/multi/TestExportService.java
@@ -90,6 +90,10 @@
         }
         );
         Assert.assertEquals("Buy some coffee", task.getTitle());
+        final WebClient swaggerClient = WebClient.create(REST_SERVICE_URI + "/swagger.json");
+        String swaggerJson = swaggerClient.get(String.class);
+        Assert.assertEquals("{\"swagger\":\"2.0\"", swaggerJson.substring(0, 16));
+        
     }
     
     @Test