diff --git a/tests/php/Logging/DebugViewFriendlyErrorFormatterTest.php b/tests/php/Logging/DebugViewFriendlyErrorFormatterTest.php
index 04f2c64c1..0b40bcf38 100644
--- a/tests/php/Logging/DebugViewFriendlyErrorFormatterTest.php
+++ b/tests/php/Logging/DebugViewFriendlyErrorFormatterTest.php
@@ -6,7 +6,6 @@ use PHPUnit_Framework_MockObject_MockObject;
 use SilverStripe\Control\Email\Email;
 use SilverStripe\Control\HTTPRequest;
 use SilverStripe\Core\Injector\Injector;
-use SilverStripe\Dev\DebugView;
 use SilverStripe\Dev\SapphireTest;
 use SilverStripe\Logging\DebugViewFriendlyErrorFormatter;
 
diff --git a/tests/php/Logging/DetailedErrorFormatterTest.php b/tests/php/Logging/DetailedErrorFormatterTest.php
index 40f9b75a7..b36786f81 100644
--- a/tests/php/Logging/DetailedErrorFormatterTest.php
+++ b/tests/php/Logging/DetailedErrorFormatterTest.php
@@ -8,7 +8,7 @@ use SilverStripe\Logging\Tests\DetailedErrorFormatterTest\ErrorGenerator;
 
 class DetailedErrorFormatterTest extends SapphireTest
 {
-    public function testFormat()
+    public function testFormatWithException()
     {
         $generator = new ErrorGenerator();
         $formatter = new DetailedErrorFormatter();
@@ -27,4 +27,48 @@ class DetailedErrorFormatterTest extends SapphireTest
             $output
         );
     }
+
+    public function testFormatWithoutException()
+    {
+        $record = [
+            'code' => 401,
+            'message' => 'Denied',
+            'file' => 'index.php',
+            'line' => 4,
+        ];
+
+        $formatter = new DetailedErrorFormatter();
+        $result = $formatter->format($record);
+
+        $this->assertContains('ERRNO 401', $result, 'Status code was not found in trace');
+        $this->assertContains('Denied', $result, 'Message was not found in trace');
+        $this->assertContains('Line 4 in index.php', $result, 'Line or filename were not found in trace');
+        $this->assertContains(self::class, $result, 'Backtrace doesn\'t show current test class');
+    }
+
+    public function testFormatBatch()
+    {
+        $records = [
+            [
+                'code' => 401,
+                'message' => 'Denied',
+                'file' => 'index.php',
+                'line' => 4,
+            ],
+            [
+                'code' => 404,
+                'message' => 'Not found',
+                'file' => 'admin.php',
+                'line' => 7,
+            ],
+        ];
+
+        $formatter = new DetailedErrorFormatter();
+        $result = $formatter->formatBatch($records);
+
+        $this->assertContains('ERRNO 401', $result, 'First status code was not found in trace');
+        $this->assertContains('ERRNO 404', $result, 'Second status code was not found in trace');
+        $this->assertContains('Denied', $result, 'First message was not found in trace');
+        $this->assertContains('Not found', $result, 'Second message was not found in trace');
+    }
 }