test: wait for sever to disconnect before sending next request

test/src/disconnect.test.ts

@@ -16,7 +16,7 @@
 
 import * as assert from 'assert'
 import * as vscode from 'vscode'
-import { activate, getTestDocUri } from './util'
+import { activate, getTestDocUri, sleep } from './util'
 
 suite('Server disconnect', () => {
   suiteSetup(async () => {
@@ -26,6 +26,9 @@ suite('Server disconnect', () => {
   test('When server is disconnected a reconnection should happen automatically', async () => {
     await vscode.commands.executeCommand('flix.simulateDisconnect')
 
+    // Wait for the server to disconnect, otherwise the next command will hang
+    await sleep(1000)
+
     // Ensure that the server is reconnected
     const docUri = getTestDocUri('src/Main.flix')
     const position = new vscode.Position(9, 12)