Remove trailing whitespace.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>

tests/HTMLPurifier/ContextTest.php

@@ -3,81 +3,81 @@
 // mocks
 class HTMLPurifier_ContextTest extends HTMLPurifier_Harness
 {
-    
+
     protected $context;
-    
+
     public function setUp() {
         $this->context = new HTMLPurifier_Context();
     }
-    
+
     function testStandardUsage() {
-        
+
         generate_mock_once('HTMLPurifier_IDAccumulator');
-        
+
         $this->assertFalse($this->context->exists('IDAccumulator'));
-        
+
         $accumulator = new HTMLPurifier_IDAccumulatorMock();
         $this->context->register('IDAccumulator', $accumulator);
         $this->assertTrue($this->context->exists('IDAccumulator'));
-        
+
         $accumulator_2 =& $this->context->get('IDAccumulator');
         $this->assertReference($accumulator, $accumulator_2);
-        
+
         $this->context->destroy('IDAccumulator');
         $this->assertFalse($this->context->exists('IDAccumulator'));
-        
+
         $this->expectError('Attempted to retrieve non-existent variable IDAccumulator');
         $accumulator_3 =& $this->context->get('IDAccumulator');
         $this->assertNull($accumulator_3);
-        
+
         $this->expectError('Attempted to destroy non-existent variable IDAccumulator');
         $this->context->destroy('IDAccumulator');
-        
+
     }
-    
+
     function testReRegister() {
-        
+
         $var = true;
         $this->context->register('OnceOnly', $var);
-        
+
         $this->expectError('Name OnceOnly produces collision, cannot re-register');
         $this->context->register('OnceOnly', $var);
-        
+
         // destroy it, now registration is okay
         $this->context->destroy('OnceOnly');
         $this->context->register('OnceOnly', $var);
-        
+
     }
-    
+
     function test_loadArray() {
-        
+
         // references can be *really* wonky!
-        
+
         $context_manual = new HTMLPurifier_Context();
         $context_load   = new HTMLPurifier_Context();
-        
+
         $var1 = 1;
         $var2 = 2;
-        
+
         $context_manual->register('var1', $var1);
         $context_manual->register('var2', $var2);
-        
+
         // you MUST set up the references when constructing the array,
         // otherwise the registered version will be a copy
         $array = array(
             'var1' => &$var1,
             'var2' => &$var2
         );
-        
+
         $context_load->loadArray($array);
         $this->assertIdentical($context_manual, $context_load);
-        
+
         $var1 = 10;
         $var2 = 20;
-        
+
         $this->assertIdentical($context_manual, $context_load);
-        
+
     }
-    
+
 }