Add JsonResponseHandler & tests

src/Damnit/Exception/Inspector.php

@@ -45,6 +45,14 @@ class Inspector
         return get_class($this->exception);
     }
 
+    /**
+     * @return string
+     */
+    public function getExceptionMessage()
+    {
+        return $this->exception->getMessage();
+    }
+
     /**
      * Returns an iterator for the inspected exception's
      * frames.

tests/Damnit/RunTest.php

@@ -14,17 +14,6 @@ use Mockery as m;
 
 class RunTest extends TestCase
 {
-    /**
-     * @return Damnit\Run
-     */
-    protected function getRunInstance()
-    {
-        $run = new Run;
-        $run->allowQuit(false);
-
-        return $run;
-    }
-
     /**
      * @return Damnit\Handler\Handler
      */

tests/Damnit/TestCase.php

@@ -5,10 +5,22 @@
  */
 
 namespace Damnit;
+use Damnit\Run;
 use Mockery as m;
 
 class TestCase extends \PHPUnit_Framework_TestCase
 {
+    /**
+     * @return Damnit\Run
+     */
+    protected function getRunInstance()
+    {
+        $run = new Run;
+        $run->allowQuit(false);
+
+        return $run;
+    }
+
     /**
      * @param string $message
      * @return Exception