upgrade springboot version and some related unit test fixes (#904)

* upgrade springboot version and some related unit test fixes

* removed log for test

* removed junit version property

webwolf/pom.xml

@@ -10,6 +10,10 @@
     </parent>
 
     <dependencies>
+    	<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-validation</artifactId>
+		</dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jsr310</artifactId>