add debug statement

Author: kherud

src/test/java/de/kherud/llama/LlamaModelTest.java

@@ -213,6 +213,7 @@ public void testLogStdout() {
 
 		System.out.println("########## Log Text ##########");
 		LlamaModel.setLogger(LogFormat.TEXT, null);
+		System.out.println("DEBUG: Logger set");
 		model.complete(params);
 
 		System.out.println("########## Log JSON ##########");