diff --git a/tests/Flarum/Api/Handler/InvalidAccessTokenExceptionHandlerTest.php b/tests/Flarum/Api/Handler/InvalidAccessTokenExceptionHandlerTest.php
new file mode 100644
index 000000000..6a1267b4f
--- /dev/null
+++ b/tests/Flarum/Api/Handler/InvalidAccessTokenExceptionHandlerTest.php
@@ -0,0 +1,45 @@
+<?php
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Tests\Flarum\Api\Handler;
+
+use Exception;
+use Flarum\Api\Exception\InvalidAccessTokenException;
+use Flarum\Api\Handler\InvalidAccessTokenExceptionHandler;
+use Tests\Test\TestCase;
+
+class InvalidAccessTokenExceptionHandlerTest extends TestCase
+{
+    private $handler;
+
+    public function init()
+    {
+        $this->handler = new InvalidAccessTokenExceptionHandler;
+    }
+
+    public function test_it_handles_recognisable_exceptions()
+    {
+        $this->assertFalse($this->handler->manages(new Exception));
+        $this->assertTrue($this->handler->manages(new InvalidAccessTokenException));
+    }
+
+    public function test_output()
+    {
+        $response = $this->handler->handle(new InvalidAccessTokenException);
+
+        $this->assertEquals(401, $response->getStatus());
+        $this->assertEquals([
+            [
+                'status' => '401',
+                'code' => 'invalid_access_token'
+            ]
+        ], $response->getErrors());
+    }
+}
diff --git a/tests/Flarum/Api/Handler/MethodNotAllowedExceptionHandlerTest.php b/tests/Flarum/Api/Handler/MethodNotAllowedExceptionHandlerTest.php
new file mode 100644
index 000000000..8fc1b143c
--- /dev/null
+++ b/tests/Flarum/Api/Handler/MethodNotAllowedExceptionHandlerTest.php
@@ -0,0 +1,45 @@
+<?php
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Tests\Flarum\Api\Handler;
+
+use Exception;
+use Flarum\Api\Handler\MethodNotAllowedExceptionHandler;
+use Flarum\Http\Exception\MethodNotAllowedException;
+use Tests\Test\TestCase;
+
+class MethodNotAllowedExceptionHandlerTest extends TestCase
+{
+    private $handler;
+
+    public function init()
+    {
+        $this->handler = new MethodNotAllowedExceptionHandler();
+    }
+
+    public function test_it_handles_recognisable_exceptions()
+    {
+        $this->assertFalse($this->handler->manages(new Exception));
+        $this->assertTrue($this->handler->manages(new MethodNotAllowedException()));
+    }
+
+    public function test_managing_exceptions()
+    {
+        $response = $this->handler->handle(new MethodNotAllowedException);
+
+        $this->assertEquals(405, $response->getStatus());
+        $this->assertEquals([
+            [
+                'status' => '405',
+                'code' => 'method_not_allowed'
+            ]
+        ], $response->getErrors());
+    }
+}
diff --git a/tests/Flarum/Api/Handler/RouteNotFoundExceptionHandlerTest.php b/tests/Flarum/Api/Handler/RouteNotFoundExceptionHandlerTest.php
new file mode 100644
index 000000000..cacfa06b7
--- /dev/null
+++ b/tests/Flarum/Api/Handler/RouteNotFoundExceptionHandlerTest.php
@@ -0,0 +1,45 @@
+<?php
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Tests\Flarum\Api\Handler;
+
+use Exception;
+use Flarum\Api\Handler\RouteNotFoundExceptionHandler;
+use Flarum\Http\Exception\RouteNotFoundException;
+use Tests\Test\TestCase;
+
+class RouteNotFoundExceptionHandlerTest extends TestCase
+{
+    private $handler;
+
+    public function init()
+    {
+        $this->handler = new RouteNotFoundExceptionHandler();
+    }
+
+    public function test_it_handles_recognisable_exceptions()
+    {
+        $this->assertFalse($this->handler->manages(new Exception));
+        $this->assertTrue($this->handler->manages(new RouteNotFoundException()));
+    }
+
+    public function test_managing_exceptions()
+    {
+        $response = $this->handler->handle(new RouteNotFoundException);
+
+        $this->assertEquals(404, $response->getStatus());
+        $this->assertEquals([
+            [
+                'status' => '404',
+                'code' => 'route_not_found'
+            ]
+        ], $response->getErrors());
+    }
+}
diff --git a/tests/Flarum/Api/Handler/TokenMismatchExceptionHandlerTest.php b/tests/Flarum/Api/Handler/TokenMismatchExceptionHandlerTest.php
new file mode 100644
index 000000000..41b80f431
--- /dev/null
+++ b/tests/Flarum/Api/Handler/TokenMismatchExceptionHandlerTest.php
@@ -0,0 +1,45 @@
+<?php
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Tests\Flarum\Api\Handler;
+
+use Exception;
+use Flarum\Api\Handler\TokenMismatchExceptionHandler;
+use Flarum\Http\Exception\TokenMismatchException;
+use Tests\Test\TestCase;
+
+class TokenMismatchExceptionHandlerTest extends TestCase
+{
+    private $handler;
+
+    public function init()
+    {
+        $this->handler = new TokenMismatchExceptionHandler;
+    }
+
+    public function test_it_handles_recognisable_exceptions()
+    {
+        $this->assertFalse($this->handler->manages(new Exception));
+        $this->assertTrue($this->handler->manages(new TokenMismatchException()));
+    }
+
+    public function test_managing_exceptions()
+    {
+        $response = $this->handler->handle(new TokenMismatchException);
+
+        $this->assertEquals(400, $response->getStatus());
+        $this->assertEquals([
+            [
+                'status' => '400',
+                'code' => 'csrf_token_mismatch'
+            ]
+        ], $response->getErrors());
+    }
+}
diff --git a/tests/Test/TestCase.php b/tests/Test/TestCase.php
index c00350868..5a25ceb8b 100644
--- a/tests/Test/TestCase.php
+++ b/tests/Test/TestCase.php
@@ -14,7 +14,7 @@ namespace Tests\Test;
 use Mockery;
 use PHPUnit_Framework_TestCase;
 
-class TestCase extends PHPUnit_Framework_TestCase
+abstract class TestCase extends PHPUnit_Framework_TestCase
 {
     public function setUp()
     {