diff --git a/lib/view_component/test_helpers.rb b/lib/view_component/test_helpers.rb
index 1cb733451..c8b952aff 100644
--- a/lib/view_component/test_helpers.rb
+++ b/lib/view_component/test_helpers.rb
@@ -75,7 +75,7 @@ def render_inline(component, **args, &block)
     # @param params [Hash] Parameters to be passed to the preview.
     # @return [Nokogiri::HTML]
     def render_preview(name, from: __vc_test_helpers_preview_class, params: {})
-      previews_controller = __vc_test_helpers_build_controller(Rails.application.config.view_component.preview_controller.constantize)
+      previews_controller = __vc_render_preview_controller
 
       # From what I can tell, it's not possible to overwrite all request parameters
       # at once, so we set them individually here.
@@ -103,9 +103,9 @@ def render_preview(name, from: __vc_test_helpers_preview_class, params: {})
     #
     # assert_text("Hello, World!")
     # ```
-    def render_in_view_context(*args, &block)
+    def render_in_view_context(*, &block)
       @page = nil
-      @rendered_content = vc_test_controller.view_context.instance_exec(*args, &block)
+      @rendered_content = vc_test_controller.view_context.instance_exec(*, &block)
       Nokogiri::HTML.fragment(@rendered_content)
     end
     ruby2_keywords(:render_in_view_context) if respond_to?(:ruby2_keywords, true)
@@ -225,6 +225,11 @@ def vc_test_request
         end
     end
 
+    def before_setup
+      @request = __vc_render_preview_controller.request
+      super
+    end
+
     # Note: We prefix private methods here to prevent collisions in consumer's tests.
     private
 
@@ -244,5 +249,9 @@ def __vc_test_helpers_preview_class
     rescue NameError
       raise NameError, "`render_preview` expected to find #{result}, but it does not exist."
     end
+
+    def __vc_render_preview_controller
+      @vc_render_preview_controller ||= __vc_test_helpers_build_controller(Rails.application.config.view_component.preview_controller.constantize)
+    end
   end
 end