diff --git a/tests/Unit/UrlTest.php b/tests/Unit/UrlTest.php
deleted file mode 100644
index fff5414f2..000000000
--- a/tests/Unit/UrlTest.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-
-namespace Tests\Unit;
-
-use Tests\TestCase;
-
-class UrlTest extends TestCase
-{
-    public function test_url_helper_takes_custom_url_into_account()
-    {
-        $this->runWithEnv('APP_URL', 'http://example.com/bookstack', function () {
-            $this->assertEquals('http://example.com/bookstack/books', url('/books'));
-        });
-    }
-
-    public function test_url_helper_sets_correct_scheme_even_when_request_scheme_is_different()
-    {
-        $this->runWithEnv('APP_URL', 'https://example.com/', function () {
-            $this->get('http://example.com/login')->assertSee('https://example.com/dist/styles.css');
-        });
-    }
-}
diff --git a/tests/UrlTest.php b/tests/UrlTest.php
new file mode 100644
index 000000000..b9f1acf4b
--- /dev/null
+++ b/tests/UrlTest.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace Tests;
+
+use BookStack\Http\Request;
+use function url;
+use function request;
+
+class UrlTest extends TestCase
+{
+    public function test_url_helper_takes_custom_url_into_account()
+    {
+        $this->runWithEnv('APP_URL', 'http://example.com/bookstack', function () {
+            $this->assertEquals('http://example.com/bookstack/books', url('/books'));
+        });
+    }
+
+    public function test_url_helper_sets_correct_scheme_even_when_request_scheme_is_different()
+    {
+        $this->runWithEnv('APP_URL', 'https://example.com/', function () {
+            $this->get('http://example.com/login')->assertSee('https://example.com/dist/styles.css');
+        });
+    }
+
+    public function test_app_url_forces_overrides_on_base_request()
+    {
+        config()->set('app.url', 'https://donkey.example.com:8091/cool/docs');
+
+        // Have to manually get and wrap request in our custom type due to testing mechanics
+        $this->get('/login');
+        $bsRequest = Request::createFrom(request());
+
+        $this->assertEquals('https://donkey.example.com:8091', $bsRequest->getSchemeAndHttpHost());
+        $this->assertEquals('/cool/docs', $bsRequest->getBaseUrl());
+        $this->assertEquals('https://donkey.example.com:8091/cool/docs/login', $bsRequest->getUri());
+    }
+}