Add some workspace state to track whether tests have ever been discov…

…ered

extensions/positron-r/src/commands.ts

@@ -129,9 +129,16 @@ export async function registerCommands(context: vscode.ExtensionContext, runtime
 
 		vscode.commands.registerCommand('r.packageTestExplorer', async () => {
 			vscode.commands.executeCommand('workbench.view.testing.focus');
+
+			// For when we need to wait for the test explorer to load:
 			onDidDiscoverTestFiles(event => {
 				vscode.commands.executeCommand('testing.runAll');
 			});
+
+			// For when the test explorer is already loaded:
+			if (context.workspaceState.get('testExplorerSetUp') === true) {
+				vscode.commands.executeCommand('testing.runAll');
+			}
 		}),
 
 		vscode.commands.registerCommand('r.useTestthat', async () => {

extensions/positron-r/src/testing/testing.ts

@@ -22,6 +22,7 @@ export const onDidDiscoverTestFiles = _onDidDiscoverTestFiles.event;
 
 
 export async function setupTestExplorer(context: vscode.ExtensionContext) {
+	context.workspaceState.update('testExplorerSetUp', false);
 	if (testExplorerEnabled()) {
 		return discoverTests(context);
 	}
@@ -96,6 +97,7 @@ export async function discoverTests(context: vscode.ExtensionContext) {
 				context.subscriptions.push(watcher);
 			}
 			_onDidDiscoverTestFiles.fire();
+			context.workspaceState.update('testExplorerSetUp', true);
 			LOGGER.info('Testthat file watchers are in place.');
 		}
 	};