Check the nil condition on done value

Author: prestonvasquez

x/mongo/driver/topology/connection_test.go

@@ -151,7 +151,13 @@ func TestConnection(t *testing.T) {
 					close(doneChan)
 
 					assert.Eventually(t,
-						func() bool { return done.Load().(bool) },
+						func() bool {
+							if done.Load() == nil {
+								return false
+							}
+
+							return done.Load().(bool)
+						},
 						100*time.Millisecond,
 						1*time.Millisecond,
 						"TODO")