veyron/lib/modules/core: increase the timouts for less flakiness with -race.

Change-Id: If0e7e3798e3103a73761725ee5ad8048e45c9c40
diff --git a/lib/modules/core/core_test.go b/lib/modules/core/core_test.go
index 753077a..6bc4ca1 100644
--- a/lib/modules/core/core_test.go
+++ b/lib/modules/core/core_test.go
@@ -101,7 +101,7 @@
 	if err != nil {
 		t.Fatalf("unexpected error: %s", err)
 	}
-	lsSession := expect.NewSession(t, ls.Stdout(), time.Second)
+	lsSession := expect.NewSession(t, ls.Stdout(), 5*time.Second)
 
 	lsSession.SetVerbosity(testing.Verbose())
 	lsSession.Expect(rootName)
@@ -128,7 +128,7 @@
 	if err != nil {
 		t.Fatalf("unexpected error: %s", err)
 	}
-	lseSession := expect.NewSession(t, lse.Stdout(), time.Second)
+	lseSession := expect.NewSession(t, lse.Stdout(), 5*time.Second)
 	lseSession.SetVerbosity(testing.Verbose())
 
 	pattern = ""