Fix JavaREstTest wiring

Author: breskeby

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/test/rest/JavaRestTestSuite.java

@@ -9,6 +9,4 @@
 
 package org.elasticsearch.gradle.internal.test.rest;
 
-import org.gradle.api.plugins.jvm.JvmTestSuite;
-
-public interface JavaRestTestSuite extends JvmTestSuite {}
+interface JavaRestTestSuite extends RestTestSuite {}

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/test/rest/YamlRestTestSuite.java

@@ -9,4 +9,4 @@
 
 package org.elasticsearch.gradle.internal.test.rest;
 
-public interface YamlRestTestSuite extends RestTestSuite {}
+interface YamlRestTestSuite extends RestTestSuite {}