chore(theme): ✅ Add general theme settings tests

packages/bot-engine/src/components/TypebotViewer.tsx

@@ -62,6 +62,7 @@ export const TypebotViewer = ({
               // We set this as inline style to avoid color flash for SSR
               backgroundColor: containerBgColor,
             }}
+            data-testid="container"
           >
             <div className="flex w-full h-full justify-center">
               <ConversationContainer

packages/bot-engine/src/services/theme.ts

@@ -19,7 +19,7 @@ export const setCssVariablesValue = (
     background.type === BackgroundType.IMAGE
       ? cssVariableNames.container.bg.image
       : cssVariableNames.container.bg.color,
-    background.content
+    background.type === BackgroundType.NONE ? 'transparent' : background.content
   )
   documentStyle.setProperty(cssVariableNames.container.fontFamily, font)
 }