fixed code block samples for Unit Testing lib
diff --git a/user_guide_src/source/libraries/unit_testing.rst b/user_guide_src/source/libraries/unit_testing.rst
index 8a80ab2..03819b2 100644
--- a/user_guide_src/source/libraries/unit_testing.rst
+++ b/user_guide_src/source/libraries/unit_testing.rst
@@ -34,7 +34,13 @@
 is the data type you expect, test name is an optional name you can give
 your test, and notes are optional notes. Example::
 
-	$test = 1 + 1;  $expected_result = 2;  $test_name = 'Adds one plus one';  $this->unit->run($test, $expected_result, $test_name);
+	$test = 1 + 1;
+
+	$expected_result = 2;
+
+	$test_name = 'Adds one plus one';
+
+	$this->unit->run($test, $expected_result, $test_name);
 
 The expected result you supply can either be a literal match, or a data
 type match. Here's an example of a literal::
@@ -127,12 +133,13 @@
 You can customize which of these items get displayed by using
 $this->unit->set_items(). For example, if you only wanted the test name
 and the result displayed:
+
 Customizing displayed tests
 ---------------------------
 
 ::
 
-	     $this->unit->set_test_items(array('test_name', 'result'));
+	$this->unit->set_test_items(array('test_name', 'result'));
 
 Creating a Template
 -------------------
@@ -141,7 +148,17 @@
 default you can set your own template. Here is an example of a simple
 template. Note the required pseudo-variables::
 
-	 $str = ' <table border="0" cellpadding="4" cellspacing="1">     {rows}         <tr>         <td>{item}</td>         <td>{result}</td>         </tr>     {/rows} </table>';  $this->unit->set_template($str);
+	$str = '
+	<table border="0" cellpadding="4" cellspacing="1">
+	    {rows}
+	        <tr>
+	        <td>{item}</td>
+	        <td>{result}</td>
+	        </tr>
+	    {/rows}
+	</table>';
+
+	$this->unit->set_template($str);
 
 .. note:: Your template must be declared **before** running the unit
 	test process.