public void CanDisposeProviders() { // Arrange var initialData = new Dictionary <string, string>() { { "color", "blue" } }; var memoryConfig = new MemoryConfigurationSource { InitialData = initialData }; var configuration = new WebAssemblyHostConfiguration(); // Act configuration.Add(memoryConfig); Assert.Equal("blue", configuration["color"]); var exception = Record.Exception(() => configuration.Dispose()); // Assert Assert.Null(exception); }