diff --git a/test/sandbox/app/components/header_component.rb b/test/sandbox/app/components/header_component.rb
deleted file mode 100644
index 8a8d8406c..000000000
--- a/test/sandbox/app/components/header_component.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-# frozen_string_literal: true
-
-class HeaderComponent < ViewComponent::Base
-  renders_one :callout_title
-end
diff --git a/test/sandbox/test/slotable_test.rb b/test/sandbox/test/slotable_test.rb
index dc3c1f6b8..086f418e5 100644
--- a/test/sandbox/test/slotable_test.rb
+++ b/test/sandbox/test/slotable_test.rb
@@ -720,7 +720,7 @@ def test_slot_with_content_shorthand
     assert component.title.content?
   end
 
-  def test_slot_names_can_not_start_with_call_
+  def test_slot_names_cannot_start_with_call_
     assert_raises ViewComponent::InvalidSlotNameError do
       Class.new(ViewComponent::Base) do
         renders_one :call_out_title
@@ -733,4 +733,12 @@ def test_slot_names_can_not_start_with_call_
       end
     end
   end
+
+  def test_slot_names_can_start_with_call
+    assert_nothing_raised do
+      Class.new(ViewComponent::Base) do
+        renders_one :callhome_et
+      end
+    end
+  end
 end