Fix test build

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #482
Approved by: baude

test/e2e/libpod_suite_test.go

@@ -8,6 +8,7 @@ import (
 	"path/filepath"
 	"strings"
 	"testing"
+	"time"
 
 	"encoding/json"
 	"github.com/containers/image/copy"

test/e2e/run_restart_test.go

@@ -38,7 +38,7 @@ var _ = Describe("Podman run restart containers", func() {
 	})
 
 	It("Podman start after signal kill", func() {
-		session := podmanTest.RunTopContainer("test1")
+		_ = podmanTest.RunTopContainer("test1")
 		ok := WaitForContainer(&podmanTest)
 		Expect(ok).To(BeTrue())