GEODE-3175 backward-compatibility tests fail with bad classpath

temporarily backing out removal of current-version class files and
resources to observe build behavior.
diff --git a/geode-core/src/test/java/org/apache/geode/test/dunit/standalone/ProcessManager.java b/geode-core/src/test/java/org/apache/geode/test/dunit/standalone/ProcessManager.java
index 9e62484..98b27a6 100755
--- a/geode-core/src/test/java/org/apache/geode/test/dunit/standalone/ProcessManager.java
+++ b/geode-core/src/test/java/org/apache/geode/test/dunit/standalone/ProcessManager.java
@@ -178,24 +178,25 @@
       classPath = dunitClasspath;
     } else {
       // remove current-version product classes and resources from the classpath
-      String buildDir = separator + "geode-core" + separator + "build" + separator;
-
-      String mainClasses = buildDir + "classes" + separator + "main";
-      dunitClasspath = removeFromPath(dunitClasspath, mainClasses);
-
-      String mainResources = buildDir + "resources" + separator + "main";
-      dunitClasspath = removeFromPath(dunitClasspath, mainResources);
-
-      String generatedResources = buildDir + "generated-resources" + separator + "main";
-      dunitClasspath = removeFromPath(dunitClasspath, generatedResources);
-
-      buildDir = separator + "geode-common" + separator + "build" + separator + "classes"
-          + separator + "main";
-      dunitClasspath = removeFromPath(dunitClasspath, buildDir);
-
-      buildDir = separator + "geode-json" + separator + "build" + separator + "classes" + separator
-          + "main";
-      dunitClasspath = removeFromPath(dunitClasspath, buildDir);
+      // String buildDir = separator + "geode-core" + separator + "build" + separator;
+      //
+      // String mainClasses = buildDir + "classes" + separator + "main";
+      // dunitClasspath = removeFromPath(dunitClasspath, mainClasses);
+      //
+      // String mainResources = buildDir + "resources" + separator + "main";
+      // dunitClasspath = removeFromPath(dunitClasspath, mainResources);
+      //
+      // String generatedResources = buildDir + "generated-resources" + separator + "main";
+      // dunitClasspath = removeFromPath(dunitClasspath, generatedResources);
+      //
+      // buildDir = separator + "geode-common" + separator + "build" + separator + "classes"
+      // + separator + "main";
+      // dunitClasspath = removeFromPath(dunitClasspath, buildDir);
+      //
+      // buildDir = separator + "geode-json" + separator + "build" + separator + "classes" +
+      // separator
+      // + "main";
+      // dunitClasspath = removeFromPath(dunitClasspath, buildDir);
 
       classPath = versionManager.getClasspath(version) + File.pathSeparator + dunitClasspath;
     }