pubsub: remove test of deleted function

Change-Id: I8f52712f7b152980c70e7c23609a814c454124c8
Reviewed-on: https://code-review.googlesource.com/5481
Reviewed-by: Dave Day <djd@golang.org>
diff --git a/pubsub/pubsub_test.go b/pubsub/pubsub_test.go
deleted file mode 100644
index b9be759..0000000
--- a/pubsub/pubsub_test.go
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright 2014 Google Inc. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package pubsub
-
-import (
-	"testing"
-	"time"
-)
-
-func TestIsSec(t *testing.T) {
-	tests := map[time.Duration]bool{
-		time.Second:                    true,
-		5 * time.Second:                true,
-		time.Hour:                      true,
-		time.Millisecond:               false,
-		time.Second + time.Microsecond: false,
-	}
-	for dur, want := range tests {
-		if got := isSec(dur); got != want {
-			t.Errorf("isSec(%v) = %t; want %t", dur, got, want)
-		}
-	}
-}