Issue 503: TokenResponse.IsExpired returns true at one minute after token expiration

Src/GoogleApis.Auth.Tests/OAuth2/Responses/TokenResponseTests.cs

Index: Src/GoogleApis.Auth.Tests/OAuth2/Responses/TokenResponseTests.cs
===================================================================
--- a/Src/GoogleApis.Auth.Tests/OAuth2/Responses/TokenResponseTests.cs
 b/Src/GoogleApis.Auth.Tests/OAuth2/Responses/TokenResponseTests.cs
@@ -60,12 60,12 @@
 }
 [Test]
- public void IsExpired_True()
 public void IsExpired()
 {
 var issued = DateTime.Now;
- var newNow = DateTime.Now.AddSeconds(200);
 var newNow = DateTime.Now.AddSeconds(100);
- var mockClock = new MockClock()
 var mockClock = new MockClock
 {
 Now = newNow
 };
@@ -78,31 78,25 @@
 response = new TokenResponse() { Issued = issued };
 Assert.True(response.IsExpired(mockClock));
- response = new TokenResponse() { ExpiresInSeconds = 1, Issued = issued };
 response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 1, Issued = issued };
 Assert.True(response.IsExpired(mockClock));
- response = new TokenResponse() { ExpiresInSeconds = 100, Issued = issued };
 response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 100, Issued = issued };
 Assert.True(response.IsExpired(mockClock));
- response = new TokenResponse() { ExpiresInSeconds = 140, Issued = issued };
 response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 158, Issued = issued };
 Assert.True(response.IsExpired(mockClock));
- }
- [Test]
- public void IsExpired_False()
- {
- var issued = DateTime.Now;
- var newNow = DateTime.Now.AddSeconds(200);
 response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 159, Issued = issued };
 Assert.True(response.IsExpired(mockClock));
- var mockClock = new MockClock()
- {
- Now = newNow
- };
 response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 160, Issued = issued };
 Assert.True(response.IsExpired(mockClock));
- var response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 141, Issued = issued };
 response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 161, Issued = issued };
 Assert.False(response.IsExpired(mockClock));
- response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 142, Issued = issued };
 response = new TokenResponse() { AccessToken = "a", ExpiresInSeconds = 162, Issued = issued };
 Assert.False(response.IsExpired(mockClock));
 }
 }