diff --git a/test/internal/config/blazer.yml b/test/internal/config/blazer.yml
index c5d2dfeb6..6f7700cfc 100644
--- a/test/internal/config/blazer.yml
+++ b/test/internal/config/blazer.yml
@@ -65,7 +65,7 @@ audit: true
 from_email: blazer@example.org
 
 # webhook for Slack
-slack_webhook_url: http://localhost:5000
+slack_webhook_url: http://localhost:3000
 
 check_schedules:
   - "1 day"
diff --git a/test/queries_test.rb b/test/queries_test.rb
index 4e4dae9ab..ed97db7c9 100644
--- a/test/queries_test.rb
+++ b/test/queries_test.rb
@@ -93,4 +93,25 @@ def test_csv
     run_query("SELECT 1 AS id, 'Chicago' AS city", format: "csv")
     assert_equal "id,city\n1,Chicago\n", response.body
   end
+
+  def test_url
+    run_query "SELECT 'http://localhost:3000/'"
+    assert_match %{<a target="_blank" href="http://localhost:3000/">http://localhost:3000/</a>}, response.body
+  end
+
+  def test_images_default
+    run_query("SELECT 'http://localhost:3000/image.png'")
+    refute_match %{<img referrerpolicy="no-referrer" src="http://localhost:3000/image.png" />}, response.body
+  end
+
+  def test_images
+    previous_value = Blazer.images
+    begin
+      Blazer.images = true
+      run_query("SELECT 'http://localhost:3000/image.png'")
+      assert_match %{<img referrerpolicy="no-referrer" src="http://localhost:3000/image.png" />}, response.body
+    ensure
+      Blazer.images = previous_value
+    end
+  end
 end