add unit tests

partition-core/pom.xml

...up/osdu/partition/controller/PartitionControllerTest.java

provider/partition-aws/build-aws/buildspec.yaml

provider/partition-aws/lombok.config

provider/partition-aws/pom.xml

...engroup/osdu/partition/provider/aws/cache/GroupCache.java

...partition/provider/aws/security/AuthorizationService.java

...tition/provider/aws/security/BasicAuthSecurityConfig.java

...u/partition/provider/aws/util/AwsKmsEncryptionClient.java

...ition/provider/aws/security/AuthorizationServiceTest.java

...tition/provider/aws/service/PartitionServiceImplTest.java

...rtition/provider/aws/util/AwsKmsEncryptionClientTest.java