Fix unit tests

Need to reset request log generation

Author: KarstenSchnitter

cf-java-logging-support-servlet/src/test/java/com/sap/hcp/cf/logging/servlet/filter/GenerateRequestLogFilterTest.java

@@ -126,6 +126,9 @@ public void directlyForwardsRequestResponseWhenLogIsDisabled() throws Exception
 
         verify(chain).doFilter(request, response);
         assertThat(systemOut.toString(), isEmptyOrNullString());
+
+        ((LoggerContext) LoggerFactory.getILoggerFactory()).getLogger(RequestLogger.class).setLevel(Level.INFO);
+
     }
 
 }

cf-java-logging-support-servlet/src/test/java/com/sap/hcp/cf/logging/servlet/filter/LogContextToRequestAttributeFilterTest.java

@@ -36,6 +36,7 @@ public class LogContextToRequestAttributeFilterTest {
 
     @Test
     public void addsContextMapAsRequestAttribute() throws Exception {
+        MDC.clear();
         MDC.put("this key", "this value");
         MDC.put("that key", "that value");