Gradle<>SpringBoot version of this example doesn't 'build'

[satyarajp]

Replicated the same in Springboot + Gradle
Request help.

--------------------------Gradle Build fails with following------------------------------------------------------------------
CmsApplicationTests > contextLoads() FAILED
java.lang.IllegalStateException at DefaultCacheAwareContextLoaderDelegate.java:132
Caused by: org.springframework.beans.factory.BeanCreationException at ConstructorResolver.java:655
Caused by: org.springframework.beans.BeanInstantiationException at SimpleInstantiationStrategy.java:185
Caused by: java.lang.NoClassDefFoundError at MongoClientImpl.java:190
Caused by: java.lang.ClassNotFoundException at BuiltinClassLoader.java:581
=------------------------------------------------------------------------------------------------------------------------
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongo' defined in class path resource [org/springframework/boot/autoconfigure/mongo/MongoAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mongodb.client.MongoClient]: Factory method 'mongo' threw exception; nested exception is java.lang.NoClassDefFoundError: com/mongodb/connection/DefaultClusterFactory
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:655)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:635)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
index.zip