Make KorAPConnection timeout test more stable

Change-Id: Ia1c3135bb55a3b326c263e6b16792682c8e2cb5c
diff --git a/tests/testthat/test-KorAPConnection.R b/tests/testthat/test-KorAPConnection.R
index 42e3fd6..8267773 100644
--- a/tests/testthat/test-KorAPConnection.R
+++ b/tests/testthat/test-KorAPConnection.R
@@ -3,7 +3,7 @@
 })
 
 test_that("KorAPConnection fails gracefully on timeout", {
-  expect_message(KorAPConnection(apiUrl="http://httpbin.org/delay/3", accessToken = NULL, timeout = 0.2), "No internet|Timeout|json|progress")
+  expect_message(KorAPConnection(apiUrl="http://httpbin.org/delay/3", accessToken = NULL, timeout = 0.2), "No internet|Timeout|json|progress|Unavailable")
 })
 
 test_that("KorAPConnection fails gracefully on Bad Gateway errors", {