Issue #106: Use only simple class name for correlation ID.

This shortens the correlation ID which facilitates to work with it.

Signed-off-by: Juergen Fickel <juergen.fickel@bosch.io>

base/model/src/test/java/org/eclipse/ditto/base/model/correlationid/TestNameCorrelationId.java

@@ -48,7 +48,7 @@ public static TestNameCorrelationId newInstance() {
     protected void starting(final Description description) {
         final Class<?> testClass = description.getTestClass();
         correlationId = CorrelationId.of(MessageFormat.format(CORRELATION_ID_PATTERN,
-                testClass.getName(),
+                testClass.getSimpleName(),
                 description.getMethodName(),
                 getRandomPart()));
     }