Add basic test for creating a thread

tests/browsertests/scenario1.nim

@@ -1,20 +1,7 @@
-import unittest, options, os
+import unittest, options, os, common
 
 import webdriver
 
-proc waitForLoad(session: Session, timeout=20000) =
-  var waitTime = 0
-  sleep(2000)
-
-  while true:
-    let loading = session.findElement(".loading")
-    if loading.isNone: return
-    sleep(1000)
-    waitTime += 1000
-
-    if waitTime > timeout:
-      doAssert false, "Wait for load time exceeded"
-
 proc test*(session: Session, baseUrl: string) =
   session.navigate(baseUrl)
 
@@ -112,4 +99,6 @@ proc test*(session: Session, baseUrl: string) =
       "#main-navbar .menu-right div.tile-content"
     ).get()
 
-    check profileName.getText() == "test"
+    check profileName.getText() == "test"
+
+  logout(session)