hack formslib xpath alternative

hack-formslib

diff --git a/composer.json b/composer.json
index b6f5246..e74cb76 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
         }
     ],
     "require-dev": {
-        "phpunit/phpunit": "3.7.*",
+        "phpunit/phpunit": "4.3.*",
         "phpunit/dbUnit": "1.2.*",
         "moodlehq/behat-extension": "1.28.4"
     }
diff --git a/lib/tests/formslib_test.php b/lib/tests/formslib_test.php
index 18e5edc..903c5ac 100644
--- a/lib/tests/formslib_test.php
+++ b/lib/tests/formslib_test.php
@@ -253,29 +253,31 @@ class core_formslib_testcase extends advanced_testcase {
         $form->display();
         $html = ob_get_clean();
 
-        $this->assertTag(array('tag'=>'select', 'id'=>'id_choose_one',
-            'attributes'=>array('name'=>'choose_one')), $html);
+        $xml = new SimpleXMLElement($html);
 
-        $this->assertTag(array('tag'=>'input', 'id'=>'id_text_0',
-            'attributes'=>array('type'=>'text', 'name'=>'text[0]')), $html);
+        $select = $xml->xpath("//select[@id='id_choose_one' and @name='choose_one']");
+        $this->assertCount(1, $select);
 
-        $this->assertTag(array('tag'=>'input', 'id'=>'id_text_1',
-            'attributes'=>array('type'=>'text', 'name'=>'text[1]')), $html);
+        $input0 = $xml->xpath("//input[@id='id_text_0' and @type='text' and @name='text[0]']");
+        $this->assertCount(1, $input0);
 
-        $this->assertTag(array('tag'=>'input', 'id'=>'id_radio_choice_value',
-            'attributes'=>array('type'=>'radio', 'name'=>'radio', 'value'=>'choice_value')), $html);
+        $input1 = $xml->xpath("//input[@id='id_text_1' and @type='text' and @name='text[1]']");
+        $this->assertCount(1, $input1);
 
-        $this->assertTag(array('tag'=>'input', 'id'=>'customelementid2',
-            'attributes'=>array('type'=>'radio', 'name'=>'radio2')), $html);
+        $radio0 = $xml->xpath("//input[@id='id_radio_choice_value' and @type='radio' and @name='radio' and @value='choice_value']");
+        $this->assertCount(1, $radio0);
 
-        $this->assertTag(array('tag'=>'input', 'id'=>'id_repeatradio_0_2',
-            'attributes'=>array('type'=>'radio', 'name'=>'repeatradio[0]', 'value'=>'2')), $html);
+        $radio1 = $xml->xpath("//input[@id='customelementid2' and @type='radio' and @name='radio2']");
+        $this->assertCount(1, $radio1);
 
-        $this->assertTag(array('tag'=>'input', 'id'=>'id_repeatradio_2_1',
-            'attributes'=>array('type'=>'radio', 'name'=>'repeatradio[2]', 'value'=>'1')), $html);
+        $repeatradio0 = $xml->xpath("//input[@id='id_repeatradio_0_2' and @type='radio' and @name='repeatradio[0]' and @value='2']");
+        $this->assertCount(1, $repeatradio0);
 
-        $this->assertTag(array('tag'=>'input', 'id'=>'id_repeatradio_2_2',
-            'attributes'=>array('type'=>'radio', 'name'=>'repeatradio[2]', 'value'=>'2')), $html);
+        $repeatradio1 = $xml->xpath("//input[@id='id_repeatradio_2_1' and @type='radio' and @name='repeatradio[2]' and @value='1']");
+        $this->assertCount(1, $repeatradio1);
+
+        $repeatradio2 = $xml->xpath("//input[@id='id_repeatradio_2_2' and @type='radio' and @name='repeatradio[2]' and @value='2']");
+        $this->assertCount(1, $repeatradio2);
     }
 
     public function test_settype_debugging_text() {