fix tests

Author: pwelter34

tests/Injectio.Tests/Snapshots/ServiceRegistrationGeneratorTests.GenerateRegisterScopedSelfWithInterfaces.verified.txt

@@ -35,6 +35,7 @@ namespace Microsoft.Extensions.DependencyInjection
                     global::Microsoft.Extensions.DependencyInjection.ServiceLifetime.Scoped
                 )
             );
+
             return serviceCollection;
         }
     }

tests/Injectio.Tests/Snapshots/ServiceRegistrationGeneratorTests.GenerateRegisterSingletonTags.verified.txt

@@ -37,6 +37,7 @@ namespace Microsoft.Extensions.DependencyInjection
                         global::Microsoft.Extensions.DependencyInjection.ServiceLifetime.Singleton
                     )
                 );
+
             }
 
             return serviceCollection;

tests/Injectio.Tests/Snapshots/ServiceRegistrationGeneratorTests.GenerateRegisterTransientSelfWithInterfaces.verified.txt

@@ -35,6 +35,7 @@ namespace Microsoft.Extensions.DependencyInjection
                     global::Microsoft.Extensions.DependencyInjection.ServiceLifetime.Transient
                 )
             );
+
             return serviceCollection;
         }
     }