Update Mockito-Core to version 2.27.0

Update Mockito-Core to version 2.27.0 and Byte Buddy to version 1.9.10.

Closes #6790

gradle/dependency-management.gradle

@@ -81,8 +81,8 @@ dependencyManagement {
 		dependency 'javax.xml.bind:jaxb-api:2.4.0-b180830.0359'
 		dependency 'junit:junit:4.12'
 		dependency 'ldapsdk:ldapsdk:4.1'
-		dependency 'net.bytebuddy:byte-buddy-agent:1.8.3'
-		dependency 'net.bytebuddy:byte-buddy:1.8.3'
+		dependency 'net.bytebuddy:byte-buddy-agent:1.9.10'
+		dependency 'net.bytebuddy:byte-buddy:1.9.10'
 		dependency 'net.jcip:jcip-annotations:1.0'
 		dependency 'net.minidev:accessors-smart:1.2'
 		dependency 'net.minidev:json-smart:2.3'
@@ -179,7 +179,7 @@ dependencyManagement {
 		dependency 'org.jboss.logging:jboss-logging:3.3.1.Final'
 		dependency 'org.jboss.spec.javax.transaction:jboss-transaction-api_1.2_spec:1.0.1.Final'
 		dependency 'org.jboss:jandex:2.0.3.Final'
-		dependency 'org.mockito:mockito-core:2.23.4'
+		dependency 'org.mockito:mockito-core:2.27.0'
 		dependency 'org.objenesis:objenesis:2.6'
 		dependency 'org.openid4java:openid4java-nodeps:0.9.6'
 		dependency 'org.ow2.asm:asm:6.2.1'