diff --git a/plugins/TestingList.form b/plugins/TestingList.form
index 01d544e..aad2502 100644
--- a/plugins/TestingList.form
+++ b/plugins/TestingList.form
@@ -26,7 +26,7 @@
           <Dimension value="[33, 39]"/>
         </Property>
         <Property name="minimumSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
-          <Dimension value="[33, 39]"/>
+          <Dimension value="[90, 90]"/>
         </Property>
         <Property name="preferredSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
           <Dimension value="[33, 39]"/>
@@ -64,7 +64,7 @@
           <Dimension value="[80, 39]"/>
         </Property>
         <Property name="minimumSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
-          <Dimension value="[80, 39]"/>
+          <Dimension value="[90, 90]"/>
         </Property>
         <Property name="preferredSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
           <Dimension value="[90, 39]"/>
diff --git a/plugins/TestingList.java b/plugins/TestingList.java
index 7507672..2d03c4c 100644
--- a/plugins/TestingList.java
+++ b/plugins/TestingList.java
@@ -6,7 +6,10 @@ import ch.psi.utils.swing.MonitoredPanel;
 import ch.psi.pshell.ui.Panel;
 import ch.psi.utils.swing.SwingUtils;
 import ch.psi.wsaf.Task;
+import com.ziclix.python.sql.DataHandler;
 import java.awt.Desktop;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
 import java.io.File;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
@@ -24,7 +27,11 @@ import java.io.InputStream;
 import java.util.Properties;
 import java.util.logging.FileHandler;
 import java.util.logging.SimpleFormatter;
+import javax.activation.ActivationDataFlavor;
+import javax.swing.JComponent;
 import javax.swing.JFileChooser;
+import javax.swing.JTable;
+import javax.swing.TransferHandler;
 import org.apache.commons.io.FilenameUtils;
 
 public class TestingList extends Panel {
@@ -64,7 +71,7 @@ public class TestingList extends Panel {
                 //SwingUtils.showMessage(getComponent(), "", ret.toString() + " - " + ret.getClass().getName());
                 iCurrentTestPos = testingList.showResult(deviceName.toString(), fileName, ret.toString(), sStatus);
                 //start next test
-                if(iCurrentTestPos>0)
+                if(iCurrentTestPos>0 && testingList.isTestRunAllowed())
                 {
                     testingList.executeTest(iCurrentTestPos+1);
                 }
@@ -78,7 +85,7 @@ public class TestingList extends Panel {
                 if(dsDeviceName[0] != ""){
                    iCurrentTestPos = testingList.showResult(dsDeviceName[0], fileName, ret.toString(), sStatus);
                    //start next test
-                   if(iCurrentTestPos>=0)
+                   if(iCurrentTestPos>=0 && testingList.isTestRunAllowed())
                    {
                        testingList.executeTest(iCurrentTestPos+1);
                    }                      
@@ -93,7 +100,7 @@ public class TestingList extends Panel {
             if(dsDeviceName[0] != ""){
                iCurrentTestPos = testingList.showResult(dsDeviceName[0], fileName, ret, sStatus);
                //start next test
-               if(iCurrentTestPos>=0)
+               if(iCurrentTestPos>=0 && testingList.isTestRunAllowed())
                {
                    testingList.executeTest(iCurrentTestPos+1);
                }                      
@@ -162,7 +169,7 @@ public class TestingList extends Panel {
         jButtonRun.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icons/button_play-64px.png"))); // NOI18N
         jButtonRun.setToolTipText("Run selected tests");
         jButtonRun.setMaximumSize(new java.awt.Dimension(33, 39));
-        jButtonRun.setMinimumSize(new java.awt.Dimension(33, 39));
+        jButtonRun.setMinimumSize(new java.awt.Dimension(90, 90));
         jButtonRun.setPreferredSize(new java.awt.Dimension(33, 39));
         jButtonRun.addActionListener(new java.awt.event.ActionListener() {
             public void actionPerformed(java.awt.event.ActionEvent evt) {
@@ -182,7 +189,7 @@ public class TestingList extends Panel {
         jButtonOpenLog.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icons/log-icon-64px.png"))); // NOI18N
         jButtonOpenLog.setToolTipText("Open current sessions Log");
         jButtonOpenLog.setMaximumSize(new java.awt.Dimension(80, 39));
-        jButtonOpenLog.setMinimumSize(new java.awt.Dimension(80, 39));
+        jButtonOpenLog.setMinimumSize(new java.awt.Dimension(90, 90));
         jButtonOpenLog.setPreferredSize(new java.awt.Dimension(90, 39));
         jButtonOpenLog.addActionListener(new java.awt.event.ActionListener() {
             public void actionPerformed(java.awt.event.ActionEvent evt) {
@@ -246,7 +253,16 @@ public class TestingList extends Panel {
     }// </editor-fold>//GEN-END:initComponents
 
     private void jButtonRunActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonRunActionPerformed
-        this.executeTest(0);
+        if(this.jButtonRun.getToolTipText().equals("Run selected tests")){
+            this.executeTest(0);
+            this.jButtonRun.setToolTipText("Stop tests");
+            jButtonRun.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icons/button_stop-64px.png")));
+        }
+        else{
+            this.jButtonRun.setToolTipText("Run selected tests");
+            jButtonRun.setIcon(new javax.swing.ImageIcon(getClass().getResource("/icons/button_play-64px.png")));
+        }
+        
 
     }//GEN-LAST:event_jButtonRunActionPerformed
 
@@ -322,6 +338,9 @@ public class TestingList extends Panel {
     private javax.swing.JTable jTable1;
     // End of variables declaration//GEN-END:variables
 
+        public boolean isTestRunAllowed(){
+            return this.jButtonRun.getToolTipText().equals("Stop tests");
+        }
     
         //show test result in table
         public int showResult(String deviceName, String testName, String res, String status) {
@@ -554,5 +573,7 @@ public class TestingList extends Panel {
             }
         }
 
-    }
+    }  
 }
+
+