robustening for autocomplete test (#1864)

e2e/playwright/flow-tests.spec.ts

@@ -474,8 +474,18 @@ test('Auto complete works', async ({ page }) => {
   const u = getUtils(page)
   // const PUR = 400 / 37.5 //pixeltoUnitRatio
   await page.setViewportSize({ width: 1200, height: 500 })
+  const lspStartPromise = page.waitForEvent('console', async (message) => {
+    // it would be better to wait for a message that the kcl lsp has started by looking for the message  message.text().includes('[lsp] [window/logMessage]')
+    // but that doesn't seem to make it to the console for macos/safari :(
+    if (message.text().includes('start kcl lsp')) {
+      await new Promise((resolve) => setTimeout(resolve, 200))
+      return true
+    }
+    return false
+  })
   await page.goto('/')
   await u.waitForAuthSkipAppStart()
+  await lspStartPromise
 
   // this test might be brittle as we add and remove functions
   // but should also be easy to update.