test: skip discovery ec2 in smoke-test-plugins*

Until we can fix the shield settings, we have bugs where we depend on the iteration
order of a map and discovery ec2 settings provoke this (most likely through a map
resize).

See elastic/elasticsearch#1520

Original commit: elastic/x-pack-elasticsearch@fbc32cf069

elasticsearch/qa/smoke-test-plugins-ssl/build.gradle

@@ -39,8 +39,11 @@ processTestResources.dependsOn(createKey)
 ext.pluginsCount = 1 // we install xpack explicitly
 project.rootProject.subprojects.findAll { it.path.startsWith(':plugins:') }.each { subproj ->
   // need to get a non-decorated project object, so must re-lookup the project by path
-  integTest.cluster.plugin(subproj.name, project(subproj.path))
-  pluginsCount += 1
+  // FIXME - fix shield settings to not rely on iteration order so this doesn't break!
+  if (subproj.name.equals("discovery-ec2") == false) {
+    integTest.cluster.plugin(subproj.name, project(subproj.path))
+    pluginsCount += 1
+  }
 }
 
 integTest {

elasticsearch/qa/smoke-test-plugins/build.gradle

@@ -9,8 +9,11 @@ dependencies {
 ext.pluginsCount = 1 // we install xpack explicitly
 project.rootProject.subprojects.findAll { it.path.startsWith(':plugins:') }.each { subproj ->
   // need to get a non-decorated project object, so must re-lookup the project by path
-  integTest.cluster.plugin(subproj.name, project(subproj.path))
-  pluginsCount += 1
+  // FIXME - fix shield settings to not rely on iteration order so this doesn't break!
+  if (subproj.name.equals("discovery-ec2") == false) {
+    integTest.cluster.plugin(subproj.name, project(subproj.path))
+    pluginsCount += 1
+  }
 }
 
 integTest {