Index: trunk/test/functional/org/openstreetmap/josm/data/imagery/ImageryCompareTestIT.java
===================================================================
--- trunk/test/functional/org/openstreetmap/josm/data/imagery/ImageryCompareTestIT.java	(revision 16910)
+++ trunk/test/functional/org/openstreetmap/josm/data/imagery/ImageryCompareTestIT.java	(revision 16913)
@@ -20,6 +20,6 @@
 public class ImageryCompareTestIT {
 
-    private static String BLACK_PREFIX = "<pre style=\"margin:3px;color:black\">";
-    private static String RED_PREFIX = "<pre style=\"margin:3px;color:red\">";
+    private static final String BLACK_PREFIX = "<pre style=\"margin:3px;color:black\">";
+    private static final String RED_PREFIX = "<pre style=\"margin:3px;color:red\">";
 
     /**
Index: trunk/test/functional/org/openstreetmap/josm/gui/mappaint/MapCSSRendererTest.java
===================================================================
--- trunk/test/functional/org/openstreetmap/josm/gui/mappaint/MapCSSRendererTest.java	(revision 16910)
+++ trunk/test/functional/org/openstreetmap/josm/gui/mappaint/MapCSSRendererTest.java	(revision 16913)
@@ -68,5 +68,5 @@
     public JOSMTestRules test = new JOSMTestRules().preferences().projection();
 
-    private TestConfig testConfig;
+    private final TestConfig testConfig;
 
     // development flag - set to true in order to update all reference images
Index: trunk/test/functional/org/openstreetmap/josm/io/MultiFetchServerObjectReaderTest.java
===================================================================
--- trunk/test/functional/org/openstreetmap/josm/io/MultiFetchServerObjectReaderTest.java	(revision 16910)
+++ trunk/test/functional/org/openstreetmap/josm/io/MultiFetchServerObjectReaderTest.java	(revision 16913)
@@ -52,5 +52,5 @@
 @SuppressFBWarnings(value = "CRLF_INJECTION_LOGS")
 public class MultiFetchServerObjectReaderTest {
-    private static Logger logger = Logger.getLogger(MultiFetchServerObjectReader.class.getName());
+    private static final Logger logger = Logger.getLogger(MultiFetchServerObjectReader.class.getName());
 
     /**