* finish task #4940.

module/testcase/view/batchcreate.html.php

@@ -106,7 +106,7 @@
           <tr>
             <td colspan='<?php echo $colspan?>' class='text-center form-actions'>
               <?php echo html::submitButton();?>
-              <?php echo html::backButton('', '', 'btn btn-wide');?>
+              <?php echo html::backButton();?>
             </td>
           </tr>
         </tfoot>

module/testcase/view/batchedit.html.php

@@ -116,7 +116,7 @@
           <tr>
             <td colspan='<?php echo $branchProduct ? (count($visibleFields) + 3) : (count($visibleFields) + 2);?>' class='text-center form-actions'>
               <?php echo html::submitButton();?>
-              <?php echo html::backButton('', '', 'btn btn-wide');?>
+              <?php echo html::backButton();?>
             </td>
           </tr>
         </tfoot>

module/testcase/view/create.html.php

@@ -219,7 +219,7 @@
         <tr>
           <td colspan='3' class='text-center form-actions'>
             <?php echo html::submitButton();?>
-            <?php echo html::backButton('', '', 'btn btn-wide');?>
+            <?php echo html::backButton();?>
           </td>
         </tr>
       </tfoot>

module/testcase/view/showimport.html.php

@@ -107,7 +107,7 @@
             {
                 echo html::submitButton();
             }
-            echo '   ' . html::backButton('', '', 'btn btn-wide');
+            echo '   ' . html::backButton();
             ?>
           </td>
         </tr>