Use the Trace2Exception

It seems that (probably due to updated dependencies), there is a problem
where the `Trace2Exception` no longer inherits from
`InvalidOperationException`. Let's use the former, then.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

src/shared/Core.Tests/Authentication/BasicAuthenticationTests.cs

@@ -70,7 +70,7 @@ public async Task BasicAuthentication_GetCredentials_NonDesktopSession_NoTermina
 
             var basicAuth = new BasicAuthentication(context);
 
-            await Assert.ThrowsAsync<InvalidOperationException>(() => basicAuth.GetCredentialsAsync(testResource));
+            await Assert.ThrowsAsync<GitCredentialManager.Trace2InvalidOperationException>(() => basicAuth.GetCredentialsAsync(testResource));
         }
 
         [Fact]

src/shared/Core.Tests/HostProviderRegistryTests.cs

@@ -41,7 +41,7 @@ public async Task HostProviderRegistry_GetProvider_NoProviders_ThrowException()
             var registry = new HostProviderRegistry(context);
             var input = new InputArguments(new Dictionary<string, string>());
 
-            await Assert.ThrowsAsync<Exception>(() => registry.GetProviderAsync(input));
+            await Assert.ThrowsAsync<GitCredentialManager.Trace2Exception>(() => registry.GetProviderAsync(input));
         }
 
         [Fact]