Merge pull request scratchfoundation#4563 from paulkaplan/fix-tab-toolbox-refresh

Request a toolbox refresh after switching between tabs to fix scratchfoundation#4561

Author: paulkaplan

src/containers/blocks.jsx

@@ -162,6 +162,7 @@ class Blocks extends React.Component {
                 this.setLocale();
             } else {
                 this.props.vm.refreshWorkspace();
+                this.requestToolboxUpdate();
             }
 
             window.dispatchEvent(new Event('resize'));

test/integration/blocks.test.js

@@ -252,4 +252,18 @@ describe('Working with the blocks', () => {
         await driver.sleep(500); // Wait for scroll to finish
         await clickText('my\u00A0variable');
     });
+
+    // Regression test for switching editor tabs causing toolbox to stop updating
+    test('Creating variables after adding extensions updates the toolbox', async () => {
+        await loadUri(uri);
+        await clickText('Costumes');
+        await clickText('Code');
+        await clickText('Variables', scope.blocksTab);
+        await driver.sleep(500); // Wait for scroll
+        await clickText('Make a List');
+        const el = await findByXpath("//input[@name='New list name:']");
+        await el.sendKeys('list1');
+        await clickButton('OK');
+        await clickText('list1', scope.blocksTab);
+    });
 });