fix: Fix toolbox categories tests (Almost)

This fixes the the toolbox categories tests except for dragging out the four
empty statement blocks, which is fixed by https://github.com/google/blockly-samples/pull/2580

Once the latest version of samples is published the toolbox suite can be
re-enabled.

tests/browser/test/toolbox_drag_test.mjs

@@ -11,7 +11,7 @@
 import * as chai from 'chai';
 import {Key} from 'webdriverio';
 import {
-  dragBlockTypeFromFlyout,
+  getBlockTypeFromCategory,
   getCategory,
   PAUSE_TIME,
   screenDirection,
@@ -148,7 +148,12 @@ async function openCategories(browser, categoryList, directionMultiplier) {
           continue;
         }
         const blockType = await getNthBlockType(browser, categoryName, i);
-        dragBlockTypeFromFlyout(browser, categoryName, blockType, 50, 20);
+        const blockElem = await getBlockTypeFromCategory(
+          browser,
+          categoryName,
+          blockType,
+        );
+        await blockElem.dragAndDrop({x: 50 * directionMultiplier, y: 20});
         await browser.pause(PAUSE_TIME);
         // Should be one top level block on the workspace.
         const topBlockCount = await browser.execute(() => {