Do not use ExtendWith

* when the extension has a mandatory field to initialize, because ExtendWith only works with default constructor

Author: anthonydahanne

integration-test/src/test/java/org/cloudfoundry/CloudFoundryVersionConditionalRule.java

@@ -17,7 +17,6 @@
 package org.cloudfoundry;
 
 import com.github.zafarkhaja.semver.Version;
-import org.junit.jupiter.api.Assumptions;
 import org.junit.jupiter.api.extension.ConditionEvaluationResult;
 import org.junit.jupiter.api.extension.ExecutionCondition;
 import org.junit.jupiter.api.extension.ExtensionContext;