Fix tests when we create re-use a token with a new authority.

authority/authority_test.go

@@ -11,6 +11,7 @@ import (
 	"net"
 	"reflect"
 	"testing"
+	"time"
 
 	"github.com/pkg/errors"
 	"github.com/smallstep/assert"
@@ -82,6 +83,10 @@ func testAuthority(t *testing.T, opts ...Option) *Authority {
 	}
 	a, err := New(c, opts...)
 	assert.FatalError(t, err)
+	// Avoid errors when test tokens are created before the test authority. This
+	// happens in some tests where we re-create the same authority to test
+	// special cases without re-creating the token.
+	a.startTime = a.startTime.Add(-1 * time.Minute)
 	return a
 }