public void NewSecret() { var dict = new Dictionary <string, string> { { "key1", "value1" }, { "key2", "value2" } }; var configuration = new ConfigurationBuilder() .AddInMemoryCollection(dict) .Build(); SecretManager secretManager = new SecretManager(configuration); secretManager.SetSecret("key3", "value3"); Assert.Equal("value3", secretManager.GetSecret("key3")); }