-- v2: vulkan-1/tests: Test VK_KHR_win32_surface WSI with swapchain functions. vulkan-1/tests: Add more VK_KHR_win32_surface surface formats tests. vulkan-1/tests: Test VK_KHR_win32_surface with windows in various states. vulkan-1/tests: Create surface and device before calling test_null_hwnd. vulkan-1/tests: Enable VK_VERSION_1_1 as requested by validation layers.