chore: use new webhook fixtures

EasyPost.Tests/Fixture.cs

@@ -36,6 +36,12 @@ public static byte[] EventBody
             }
         }
 
+        internal static string WebhookHmacSignature => GetFixtureStructure().WebhookHmacSignature;
+
+        internal static string WebhookSecret => GetFixtureStructure().WebhookSecret;
+
+        internal static string WebhookUrl => GetFixtureStructure().WebhookUrl;
+
         internal static Dictionary<string, object> BasicCarrierAccount => GetFixtureStructure().CarrierAccounts.Basic;
 
         internal static Dictionary<string, object> BasicCustomsInfo => GetFixtureStructure().CustomsInfos.Basic;
@@ -122,8 +128,6 @@ internal static string UspsCarrierAccountId
 
         internal static string UspsService => GetFixtureStructure().ServiceNames.Usps.FirstService;
 
-        internal static string WebhookUrl => GetFixtureStructure().WebhookUrl;
-
         private static FixtureStructure GetFixtureStructure()
         {
             string fixtureData = ReadFixtureData();

EasyPost.Tests/ServicesTests/WebhookServiceTest.cs

@@ -92,14 +92,15 @@ public void TestValidateWebHook()
             UseVCR("validate_webhook");
 
             byte[] eventData = Fixtures.EventBody;
+            string webhookHmacSignature = Fixtures.WebhookHmacSignature;
+            string webhookSecret = Fixtures.WebhookSecret;
 
-            // ReSharper disable once StringLiteralTypo
-            const string webhookSecret = "sécret";
-            Dictionary<string, object?> headers = new() { { "X-Hmac-Signature", "hmac-sha256-hex=e93977c8ccb20363d51a62b3fe1fc402b7829be1152da9e88cf9e8d07115a46b" } };
+            Dictionary<string, object?> headers = new() { { "X-Hmac-Signature", webhookHmacSignature } };
 
             Event @event = Client.Webhook.ValidateWebhook(eventData, headers, webhookSecret);
 
-            Assert.Equal("batch.created", @event.Description);
+            Assert.Equal("tracker.updated", @event.Description);
+            Assert.Equal(614.4, @event.Result.Weight);
         }
 
         [Fact]