diff --git a/src/NuGet.Core/NuGet.Packaging/Properties/AssemblyInfo.cs b/src/NuGet.Core/NuGet.Packaging/Properties/AssemblyInfo.cs
index b87cf8c32bf..aae643165c3 100644
--- a/src/NuGet.Core/NuGet.Packaging/Properties/AssemblyInfo.cs
+++ b/src/NuGet.Core/NuGet.Packaging/Properties/AssemblyInfo.cs
@@ -11,9 +11,11 @@
 [assembly: InternalsVisibleTo("NuGet.Packaging.Test, PublicKey=0024000004800000940000000602000000240000525341310004000001000100b5fc90e7027f67871e773a8fde8938c81dd402ba65b9201d60593e96c492651e889cc13f1415ebb53fac1131ae0bd333c5ee6021672d9718ea31a8aebd0da0072f25d87dba6fc90ffd598ed4da35e44c398c454307e8e33b8426143daec9f596836f97c8f74750e5975c64e2189f45def46b2a2b1247adc3652bf5c308055da9")]
 [assembly: InternalsVisibleTo("NuGet.Commands.Test, PublicKey=0024000004800000940000000602000000240000525341310004000001000100b5fc90e7027f67871e773a8fde8938c81dd402ba65b9201d60593e96c492651e889cc13f1415ebb53fac1131ae0bd333c5ee6021672d9718ea31a8aebd0da0072f25d87dba6fc90ffd598ed4da35e44c398c454307e8e33b8426143daec9f596836f97c8f74750e5975c64e2189f45def46b2a2b1247adc3652bf5c308055da9")]
 [assembly: InternalsVisibleTo("DynamicProxyGenAssembly2, PublicKey=0024000004800000940000000602000000240000525341310004000001000100c547cac37abd99c8db225ef2f6c8a3602f3b3606cc9891605d02baa56104f4cfc0734aa39b93bf7852f7d9266654753cc297e7d2edfe0bac1cdcf9f717241550e0a7b191195b7667bb4f64bcb8e2121380fd1d9d46ad2d92d2d15605093924cceaf74c4861eff62abf69b9291ed0a340e113be11e6a7d3113e92484cf7045cc7")]
+[assembly: InternalsVisibleTo("Test.Utility, PublicKey=002400000480000094000000060200000024000052534131000400000100010007d1fa57c4aed9f0a32e84aa0faefd0de9e8fd6aec8f87fb03766c834c99921eb23be79ad9d5dcc1dd9ad236132102900b723cf980957fc4e177108fc607774f29e8320e92ea05ece4e821c0a5efe8f1645c4c0c93c1ab99285d622caa652c1dfad63d745d6f2de5f17e5eaf0fc4963d261c8a12436518206dc093344d5ad293")]
 #else
 [assembly: InternalsVisibleTo("NuGet.Packaging.Test")]
 [assembly: InternalsVisibleTo("NuGet.Packaging.FuncTest")]
 [assembly: InternalsVisibleTo("NuGet.Commands.Test")]
 [assembly: InternalsVisibleTo("DynamicProxyGenAssembly2")]
+[assembly: InternalsVisibleTo("Test.Utility")]
 #endif
diff --git a/test/NuGet.Core.FuncTests/NuGet.Packaging.FuncTest/SigningTests/TimestampTests.cs b/test/NuGet.Core.FuncTests/NuGet.Packaging.FuncTest/SigningTests/TimestampTests.cs
index 4f525a002bf..d4ce0a98981 100644
--- a/test/NuGet.Core.FuncTests/NuGet.Packaging.FuncTest/SigningTests/TimestampTests.cs
+++ b/test/NuGet.Core.FuncTests/NuGet.Packaging.FuncTest/SigningTests/TimestampTests.cs
@@ -81,17 +81,17 @@ public async Task Timestamp_Verify_WithOfflineRevocation_ReturnsCorrectFlagsAndL
                     result.HasFlag(SignatureVerificationStatusFlags.UnknownRevocation).Should().BeTrue();
 
                     var errors = logs.Where(l => l.Level == LogLevel.Error);
-                    errors.Count().Should().Be(RuntimeEnvironmentHelper.IsWindows ? 2 : 1);
 
-                    if (RuntimeEnvironmentHelper.IsWindows)
+                    if (RuntimeEnvironmentHelper.IsMacOSX)
                     {
-                        errors.Should().Contain(w => w.Code == NuGetLogCode.NU3028 && w.Message.Contains("The revocation function was unable to check revocation because the revocation server could not be reached."));
-                        errors.Should().Contain(w => w.Code == NuGetLogCode.NU3028 && w.Message.Contains("The revocation function was unable to check revocation for the certificate."));
+                        errors.Count().Should().Be(1);
                     }
                     else
                     {
-                        errors.Should().Contain(w => w.Code == NuGetLogCode.NU3028 && w.Message.Contains("unable to get certificate CRL"));
+                        errors.Count().Should().Be(2);
+                        SigningTestUtility.AssertOfflineRevocationOnlineMode(errors, LogLevel.Error, NuGetLogCode.NU3028);
                     }
+                    SigningTestUtility.AssertRevocationStatusUnknown(errors, LogLevel.Error, NuGetLogCode.NU3028);
                 }
             }
         }
diff --git a/test/TestUtilities/Test.Utility/Signing/SigningTestUtility.cs b/test/TestUtilities/Test.Utility/Signing/SigningTestUtility.cs
index 7f5aeaa0b7c..2e6a23fb268 100644
--- a/test/TestUtilities/Test.Utility/Signing/SigningTestUtility.cs
+++ b/test/TestUtilities/Test.Utility/Signing/SigningTestUtility.cs
@@ -678,19 +678,29 @@ public static void AssertOfflineRevocation(IEnumerable<ILogMessage> issues, LogL
         //We will change the original X509ChainStatus.StatusInformation of OfflineRevocation to VerifyCertTrustOfflineWhileRevocationModeOffline or VerifyCertTrustOfflineWhileRevocationModeOnline in Signature.cs and Timestamp.cs
         //So if we use APIs above to verify the results of chain.build, we should use assert AssertOfflineRevocationOnlineMode and AssertOfflineRevocationOfflineMode
         public static void AssertOfflineRevocationOnlineMode(IEnumerable<SignatureLog> issues, LogLevel logLevel)
+        {
+            AssertOfflineRevocationOnlineMode(issues, logLevel, NuGetLogCode.NU3018);
+        }
+
+        public static void AssertOfflineRevocationOnlineMode(IEnumerable<SignatureLog> issues, LogLevel logLevel, NuGetLogCode code)
         {
             Assert.Contains(issues, issue =>
-                issue.Code == NuGetLogCode.NU3018 &&
+                issue.Code == code &&
                 issue.Level == logLevel &&
-                issue.Message.Contains("The revocation function was unable to check revocation because the revocation server could not be reached. For more information, visit https://aka.ms/certificateRevocationMode."));
+                issue.Message.Contains(NuGet.Packaging.Strings.VerifyCertTrustOfflineWhileRevocationModeOnline));
         }
 
         public static void AssertOfflineRevocationOfflineMode(IEnumerable<SignatureLog> issues)
+        {
+            AssertOfflineRevocationOfflineMode(issues, LogLevel.Information, NuGetLogCode.Undefined);
+        }
+
+        public static void AssertOfflineRevocationOfflineMode(IEnumerable<SignatureLog> issues, LogLevel logLevel, NuGetLogCode code)
         {
             Assert.Contains(issues, issue =>
-                issue.Code == NuGetLogCode.Undefined &&
-                issue.Level == LogLevel.Information &&
-                issue.Message.Contains("The revocation function was unable to check revocation because the certificate is not available in the cached certificate revocation list and NUGET_CERT_REVOCATION_MODE environment variable has been set to offline. For more information, visit https://aka.ms/certificateRevocationMode."));
+                issue.Code == code &&
+                issue.Level == logLevel &&
+                issue.Message.Contains(NuGet.Packaging.Strings.VerifyCertTrustOfflineWhileRevocationModeOffline));
         }
 
         public static void AssertRevocationStatusUnknown(IEnumerable<ILogMessage> issues, LogLevel logLevel)