get watcher+groovy QA test working again (without hack)

Original commit: elastic/x-pack-elasticsearch@843a5ea6e4

qa/smoke-test-watcher-with-groovy/build.gradle

@@ -0,0 +1,15 @@
+apply plugin: 'elasticsearch.rest-test'
+
+dependencies {
+  testCompile project(path: ':x-plugins:watcher', configuration: 'runtime')
+  testCompile project(path: ':plugins:lang-groovy', configuration: 'runtime')
+}
+
+integTest {
+  cluster {
+    plugin 'license', project(':x-plugins:license:plugin')
+    plugin 'watcher', project(':x-plugins:watcher')
+    plugin 'groovy', project(':plugins:lang-groovy')
+    systemProperty 'es.script.inline', 'on'
+  }
+}

qa/smoke-test-watcher-with-groovy/integration-tests.xml

@@ -1,32 +0,0 @@
-<?xml version="1.0"?>
-<!--
-  ~ ELASTICSEARCH CONFIDENTIAL
-  ~ __________________
-  ~
-  ~  [2014] Elasticsearch Incorporated. All Rights Reserved.
-  ~
-  ~ NOTICE:  All information contained herein is, and remains
-  ~ the property of Elasticsearch Incorporated and its suppliers,
-  ~ if any.  The intellectual and technical concepts contained
-  ~ herein are proprietary to Elasticsearch Incorporated
-  ~ and its suppliers and may be covered by U.S. and Foreign Patents,
-  ~ patents in process, and are protected by trade secret or copyright law.
-  ~ Dissemination of this information or reproduction of this material
-  ~ is strictly forbidden unless prior written permission is obtained
-  ~ from Elasticsearch Incorporated.
-  -->
-
-<project name="smoke-test-watcher-and-groovy"
-         xmlns:ac="antlib:net.sf.antcontrib">
-
-  <import file="${elasticsearch.integ.antfile.default}"/>
-
-  <target name="start-external-cluster-with-watcher-and-groovy" depends="setup-workspace">
-    <sequential>
-      <install-plugin name="license" file="${plugins.dir}/license-${project.version}.zip"/>
-      <install-plugin name="lang-groovy" file="${plugins.dir}/lang-groovy-${project.version}.zip"/>
-      <install-plugin name="watcher" file="${plugins.dir}/watcher-${project.version}.zip"/>
-      <startup-elasticsearch/>
-    </sequential>
-  </target>
-</project>