20187: Fix test race.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>

diff --git a/lib/controller/handler_test.go b/lib/controller/handler_test.go
index 02b72dc4595ae4f1d2f460eb839c3b059f4bbc0e..654eaffe1d6f42fff3327462b38d958a7012527a 100644 (file)
--- a/lib/controller/handler_test.go
+++ b/lib/controller/handler_test.go
@@ -256,6 +256,7 @@ func (s *HandlerSuite) TestDiscoveryDocCache(c *check.C) {
        holdReqs = make(chan struct{})
        getDDConcurrently(5, http.StatusOK, check.Commentf("refresh cache after error condition clears")).Wait()
        close(holdReqs)
+       waitPendingUpdates()
        c.Check(countRailsReqs(), check.Equals, reqsBefore+1)
 }