wait for language server to initialize before starting a test

Author: Siddharth Saladi

src/test/shared/devModeTestSuite.ts

@@ -24,11 +24,21 @@ export function runDevModeTestSuite(config: DevModeConfig): void {
     describe(`Devmode action tests for ${config.buildTool} Project`, () => {
 
         before(async function() {
-            this.timeout(60000);
+            this.timeout(300000);
 
             await VSBrowser.instance.openResources(config.getProjectPath());
             await VSBrowser.instance.waitForWorkbench();
-            
+
+            // Wait for the Liberty LS to initialize before any test runs.
+            // registerTreeDataProvider is only called after startLangServer
+            // resolves — without this, waitForDashboardToLoad polls an empty
+            // tree for minutes on cold mac-previous runners.
+            await utils.waitForLanguageServerInit(
+                'Language Support for Liberty',
+                'Initialized Liberty Language server',
+                240
+            );
+
             dashboard = new DashboardPage();
         });
 

src/test/utils/testUtils.ts

@@ -532,16 +532,6 @@ export async function waitForDashboardToLoad(section: any): Promise<void> {
     // Using a stale reference causes ElementNotInteractableError on every
     // getVisibleItems() call, looping forever until timeout.
     await wait.forCondition(async () => {
-        // Prod the extension to refresh on every iteration.  On cold previous
-        // runners registerTreeDataProvider is not called until the Liberty LS
-        // JVM has started (extension.ts registers the tree provider only after
-        // startLangServer resolves).  Executing liberty.explorer.refresh forces
-        // a repopulation once the provider is registered; before that the
-        // command simply isn't registered and the error is swallowed.
-        try {
-            await new Workbench().executeCommand('liberty.explorer.refresh');
-        } catch { /* command not yet registered — keep waiting */ }
-
         try {
             const freshSection = await getDashboardSection(new SideBarView());
             await freshSection.expand();