chore(plugins): add data-testids closes #2854

packages/background/src/Background.tsx

@@ -59,6 +59,7 @@ function Background({
         left: 0,
       }}
       ref={ref}
+      data-testid="rf__background"
     >
       <pattern
         id={patternId}

packages/controls/src/Controls.tsx

@@ -68,7 +68,12 @@ const Controls: FC<PropsWithChildren<ControlProps>> = ({
   };
 
   return (
-    <Panel className={cc(['react-flow__controls', className])} position={position} style={style}>
+    <Panel
+      className={cc(['react-flow__controls', className])}
+      position={position}
+      style={style}
+      data-testid="rf__controls"
+    >
       {showZoom && (
         <>
           <ControlButton

packages/minimap/src/MiniMap.tsx

@@ -161,7 +161,12 @@ function MiniMap({
     : undefined;
 
   return (
-    <Panel position={position} style={style} className={cc(['react-flow__minimap', className])}>
+    <Panel
+      position={position}
+      style={style}
+      className={cc(['react-flow__minimap', className])}
+      data-testid="rf__minimap"
+    >
       <svg
         width={elementWidth}
         height={elementHeight}