fix: add class to move indicator bubble

Author: maribethb

src/move_indicator.ts

@@ -38,6 +38,7 @@ export class MoveIndicatorBubble
       {},
       workspace.getBubbleCanvas(),
     );
+    this.svgRoot.classList.add('blocklyMoveIndicatorBubble');
     const rtl = workspace.RTL;
     Blockly.utils.dom.createSvgElement(
       Blockly.utils.Svg.CIRCLE,

test/webdriverio/test/move_test.ts

@@ -137,6 +137,10 @@ suite('Move start tests', function () {
       await keyDown(this.browser, index);
       await sendKeyAndWait(this.browser, Key.Return);
 
+      // Wait for the move icon to appear so we know we're in move mode.
+      const bubble = this.browser.$('.blocklyMoveIndicatorBubble');
+      await bubble.waitForExist();
+
       // Check that the moving block has nothing connected it its
       // next/previous connections, and same thing connected to value
       // input.