Remove @test from junit 3 tests

modules/activiti-engine/src/test/java/org/activiti/engine/test/pvm/PvmVariablesTest.java

@@ -21,7 +21,6 @@ import org.activiti.engine.impl.pvm.PvmProcessDefinition;
 import org.activiti.engine.impl.pvm.PvmProcessInstance;
 import org.activiti.engine.impl.test.PvmTestCase;
 import org.activiti.engine.test.pvm.activities.WaitState;
-import org.junit.Test;
 
 
 /**
@@ -29,7 +28,6 @@ import org.junit.Test;
  */
 public class PvmVariablesTest extends PvmTestCase {
 
-  @Test //TODO JUnit 3 or 4???
   public void testVariables() {
     PvmProcessDefinition processDefinition = new ProcessDefinitionBuilder()
       .createActivity("a")

modules/activiti-engine/src/test/java/org/activiti/examples/bpmn/shell/ShellTaskTest.java

@@ -3,7 +3,6 @@ package org.activiti.examples.bpmn.shell;
 import org.activiti.engine.impl.test.PluggableActivitiTestCase;
 import org.activiti.engine.runtime.ProcessInstance;
 import org.activiti.engine.test.Deployment;
-import org.junit.Test;
 
 public class ShellTaskTest extends PluggableActivitiTestCase {
 
@@ -31,7 +30,6 @@ public class ShellTaskTest extends PluggableActivitiTestCase {
     osType = getSystemOsType();
   }
 
-  @Test //TODO JUnit 3 or 4???
   public void testOsDetection() throws Exception {
     assertTrue(osType != OsType.UNKOWN);
   }

modules/activiti-engine/src/test/java/org/activiti/examples/variables/VariablesTest.java

@@ -31,7 +31,6 @@ import org.activiti.engine.task.Task;
 import org.activiti.engine.test.Deployment;
 import org.apache.commons.lang3.ArrayUtils;
 import org.apache.commons.lang3.ObjectUtils;
-import org.junit.Test;
 
 /**
  * @author Tom Baeyens
@@ -153,7 +152,6 @@ public class VariablesTest extends PluggableActivitiTestCase {
  
   
   // Test case for ACT-1839
-  @Test //TODO JUnit 3 or 4???
   @Deployment(resources = {"org/activiti/examples/variables/VariablesTest.testChangeTypeSerializable.bpmn20.xml"})
   public void testChangeTypeSerializable() {
 	  ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("variable-type-change-test");