cosmetic: eliminate code warning
diff --git a/core/src/main/java/org/apache/sling/testing/mock/sling/MockSling.java b/core/src/main/java/org/apache/sling/testing/mock/sling/MockSling.java
index 31a7162..0573d87 100644
--- a/core/src/main/java/org/apache/sling/testing/mock/sling/MockSling.java
+++ b/core/src/main/java/org/apache/sling/testing/mock/sling/MockSling.java
@@ -84,6 +84,7 @@
         return factory;
     }
 
+    @SuppressWarnings("unchecked")
     private static ResourceResolverTypeAdapter getResourceResolverTypeAdapter(final ResourceResolverType type,
             @NotNull final BundleContext bundleContext) {
         try {