Skip notary tests which update system clock

Currently some notary tests change the system clock to check for expiration.
Skip these tests until the code can be refactored to not rely on updating the system clock.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)

integration-cli/docker_cli_create_test.go

@@ -345,6 +345,7 @@ func (s *DockerTrustSuite) TestTrustedIsolatedCreate(c *check.C) {
 }
 
 func (s *DockerTrustSuite) TestCreateWhenCertExpired(c *check.C) {
+	c.Skip("Currently changes system time, causing instability")
 	repoName := s.setupTrustedImage(c, "trusted-create-expired")
 
 	// Certificates have 10 years of expiration

integration-cli/docker_cli_pull_test.go

@@ -225,6 +225,7 @@ func (s *DockerTrustSuite) TestUntrustedPull(c *check.C) {
 }
 
 func (s *DockerTrustSuite) TestPullWhenCertExpired(c *check.C) {
+	c.Skip("Currently changes system time, causing instability")
 	repoName := s.setupTrustedImage(c, "trusted-cert-expired")
 
 	// Certificates have 10 years of expiration
@@ -331,6 +332,7 @@ func (s *DockerTrustSuite) TestTrustedPullFromBadTrustServer(c *check.C) {
 }
 
 func (s *DockerTrustSuite) TestTrustedPullWithExpiredSnapshot(c *check.C) {
+	c.Skip("Currently changes system time, causing instability")
 	repoName := fmt.Sprintf("%v/dockercliexpiredtimestamppull/trusted:latest", privateRegistryURL)
 	// tag the image and upload it to the private registry
 	dockerCmd(c, "tag", "busybox", repoName)

integration-cli/docker_cli_push_test.go

@@ -287,6 +287,7 @@ func (s *DockerTrustSuite) TestTrustedPushWithIncorrectPassphraseForNonRoot(c *c
 }
 
 func (s *DockerTrustSuite) TestTrustedPushWithExpiredSnapshot(c *check.C) {
+	c.Skip("Currently changes system time, causing instability")
 	repoName := fmt.Sprintf("%v/dockercliexpiredsnapshot/trusted:latest", privateRegistryURL)
 	// tag the image and upload it to the private registry
 	dockerCmd(c, "tag", "busybox", repoName)
@@ -322,6 +323,7 @@ func (s *DockerTrustSuite) TestTrustedPushWithExpiredSnapshot(c *check.C) {
 }
 
 func (s *DockerTrustSuite) TestTrustedPushWithExpiredTimestamp(c *check.C) {
+	c.Skip("Currently changes system time, causing instability")
 	repoName := fmt.Sprintf("%v/dockercliexpiredtimestamppush/trusted:latest", privateRegistryURL)
 	// tag the image and upload it to the private registry
 	dockerCmd(c, "tag", "busybox", repoName)

integration-cli/docker_cli_run_test.go

@@ -2600,6 +2600,7 @@ func (s *DockerTrustSuite) TestUntrustedRun(c *check.C) {
 }
 
 func (s *DockerTrustSuite) TestRunWhenCertExpired(c *check.C) {
+	c.Skip("Currently changes system time, causing instability")
 	repoName := s.setupTrustedImage(c, "trusted-run-expired")
 
 	// Certificates have 10 years of expiration