fix failed LegacyPatternLayoutTest#subPattern test due to TZ discrepancies, use LevelConverter instead of DateConverter

Signed-off-by: ceki <ceki@qos.ch>

Author: ceki

logback-classic/src/test/java/ch/qos/logback/classic/pattern/LegacyPatternLayoutTest.java

@@ -31,16 +31,21 @@ public class LegacyPatternLayoutTest {
 
     LoggerContext context = new LoggerContext();
 
+    /**
+     * Test backward compatibility for classes derived from
+     * PatternLayout that add custom conversion words.
+     */
     @Test public void subPattern() {
         SubPatternLayout layout = new SubPatternLayout();
         layout.setPattern("%"+SubPatternLayout.DOOO);
         layout.setContext(context);
         layout.start();
         LoggingEvent event = new LoggingEvent();
         event.setTimeStamp(0);
+        event.setLevel(Level.INFO);
 
         String result = layout.doLayout(event);
-        assertEquals("1970-01-01 01:00:00,000", result);
+        assertEquals("INFO", result);
     }
 
     @Test

logback-classic/src/test/java/ch/qos/logback/classic/pattern/SubPatternLayout.java

@@ -29,7 +29,7 @@ public class SubPatternLayout extends PatternLayout {
 
     SubPatternLayout() {
         Map<String, String> defaultConverterMap = getDefaultConverterMap();
-        defaultConverterMap.put(DOOO, DateConverter.class.getName());
+        defaultConverterMap.put(DOOO, LevelConverter.class.getName());
     }
 
 }