Fixing flaky tests on Windows (again)

Signed-off-by: Darren Stahl <darst@microsoft.com>
Upstream-commit: b756f89e1d399146fd96c20152bd4efc8505bb62
Component: engine

components/engine/integration-cli/test_vars_windows.go

@@ -15,4 +15,4 @@ const (
 )
 
 // TODO Windows: In TP5, decrease this sleep time, as performance will be better
-var defaultSleepCommand = []string{"sleep", "120"}
+var defaultSleepCommand = []string{"sleep", "240"}