add explicit dependency after Gradle complained

Author: ahus1

asciidoctorj-wildfly-integration-test/build.gradle

@@ -45,6 +45,10 @@ task unpackWildfly(type: Copy) {
  into "$buildDir"
 }
 
+compileTestJava {
+ dependsOn unpackWildfly
+}
+
 tasks.create("createModule").doLast {
  copy {
  from "src/test/resources/module.xml"