message: Enable T<->B CopyTests on Vulkan
diff: @@ -355,7 +355,7 @@ TEST_P(CopyTests_T2B, RowPitchUnaligned) {
  }
  }
  -NXT_INSTANTIATE_TEST(CopyTests_T2B, D3D12Backend, MetalBackend, OpenGLBackend)
  +NXT_INSTANTIATE_TEST(CopyTests_T2B, D3D12Backend, MetalBackend, OpenGLBackend, VulkanBackend)
  // Test that copying an entire texture with 256-byte aligned dimensions works
  TEST_P(CopyTests_B2T, FullTextureAligned) {
  @@ -498,4 +498,4 @@ TEST_P(CopyTests_B2T, RowPitchUnaligned) {
  }
  }
  -NXT_INSTANTIATE_TEST(CopyTests_B2T, D3D12Backend, MetalBackend, OpenGLBackend)
  +NXT_INSTANTIATE_TEST(CopyTests_B2T, D3D12Backend, MetalBackend, OpenGLBackend, VulkanBackend)
  