uploads: fix more tests.

test/components/file_upload_component_test.rb

@@ -0,0 +1,10 @@
+require "test_helper"
+
+class FileUploadComponentTest < ViewComponent::TestCase
+  context "The FileUploadComponent" do
+    should "render" do
+      render_inline(FileUploadComponent.new)
+      assert_text("Choose file")
+    end
+  end
+end