Do not run all rest tests

Author: spinscale

build.gradle

@@ -1,6 +1,3 @@
-// remove this two imports from 7.5.1 onwards
-import org.elasticsearch.gradle.testclusters.TestClustersRegistry
-import org.elasticsearch.gradle.testclusters.TestClustersPlugin
 import java.nio.file.Files
 
 buildscript {
@@ -26,6 +23,13 @@ apply plugin: 'java'
 apply plugin: 'idea'
 apply plugin: 'elasticsearch.esplugin'
 
+// remove this in 7.6.2
+restResources {
+  restApi {
+    includeCore '*'
+  }
+}
+
 // license of this project
 licenseFile = rootProject.file('LICENSE.txt')
 // copyright notices