15348: Fix test suite crash after skipping docker tests.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@tomclegg.ca>

diff --git a/lib/pam/docker_test.go b/lib/pam/docker_test.go
index 196a452449d613d8c5b8238421fa4515dc14a7c5..eb139f145f5bf3e35d90411699d1dcbeb48d38ba 100644 (file)
--- a/lib/pam/docker_test.go
+++ b/lib/pam/docker_test.go
@@ -95,8 +95,12 @@ Auth-Initial:
 }
 
 func (s *DockerSuite) TearDownSuite(c *check.C) {
-       s.proxysrv.Close()
-       s.proxyln.Close()
+       if s.proxysrv != nil {
+               s.proxysrv.Close()
+       }
+       if s.proxyln != nil {
+               s.proxyln.Close()
+       }
 }
 
 func (s *DockerSuite) runTestClient(c *check.C, args ...string) (stdout, stderr *bytes.Buffer, err error) {