Fix sebastianbergmann#1351: Add back TestFailure::failedTest() for BC.

src/Framework/TestCase.php

@@ -1050,6 +1050,15 @@ public function setInIsolation($inIsolation)
         }
     }
 
+    /**
+     * @return boolean
+     * @since  Method available since Release 4.1.5
+     */
+    public function isInIsolation()
+    {
+        return !empty($this->inIsolation);
+    }
+
     /**
      * @return mixed
      * @since  Method available since Release 3.4.0

src/Framework/TestFailure.php

@@ -61,6 +61,11 @@ class PHPUnit_Framework_TestFailure
      */
     private $testName;
 
+    /**
+     * @var PHPUnit_Framework_Test|null
+     */
+    protected $failedTest;
+
     /**
      * @var    Exception
      */
@@ -79,6 +84,9 @@ public function __construct(PHPUnit_Framework_Test $failedTest, Exception $throw
         } else {
             $this->testName = get_class($failedTest);
         }
+        if (!$failedTest instanceof PHPUnit_Framework_TestCase || !$failedTest->isInIsolation()) {
+            $this->failedTest = $failedTest;
+        }
         $this->thrownException = $thrownException;
     }
 
@@ -147,6 +155,21 @@ public function getTestName()
         return $this->testName;
     }
 
+    /**
+     * Returns the failing test.
+     *
+     * Note: The test object is not set when the test is executed in process
+     * isolation.
+     *
+     * @see PHPUnit_Framework_Exception
+     *
+     * @return PHPUnit_Framework_Test|null
+     */
+    public function failedTest()
+    {
+        return $this->failedTest;
+    }
+
     /**
      * Gets the thrown exception.
      *