Reenable SSL smoke tests

Original commit: elastic/x-pack-elasticsearch@1969c6d020

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

@@ -13,6 +13,11 @@ File cert = new File(project.buildDir, 'cert/test-node.csr')
 File signedCert = new File(project.buildDir, 'cert/test-node-signed.csr')
 File keystore = new File(project.buildDir, 'keystore/test-node.jks')
 
+// we touch keystore because otherwise it fails, extraConfigFile does not exist
+// this tricks some broken compile-time check into just moving along: we nuke this stuff before we actually generate
+keystore.parentFile.mkdirs()
+keystore.createNewFile()
+
 String caConfigData = """
 [ ca ]
 default_ca = CA_default
@@ -156,7 +161,6 @@ for (Project subproj : project.rootProject.subprojects) {
   }
 }
 
-/*
 integTest {
   cluster {
     // TODO: use some variable here for port number
@@ -183,5 +187,4 @@ integTest {
       return true
     }
   }
-} 
-*/
+}