[PATCH v3 2/2] d3dx10/tests: Test subresource data for created texture.

[Ziqing Hui]

Signed-off-by: Ziqing Hui 
---

v2:
  * Merge 2 patches.
  * Get rid of shift operation.
  * Replace copy_texture with get_texuture_readback.
  * Use winetest_push_context rather than "Test %u:".
  * Release created texture.
  * Only use D3D10_CPU_ACCESS_READ for readback.

v3: Fix test crash.

dlls/d3dx10_43/tests/d3dx10.c | 458 +++++++++++++++++++++++++++++-----
 1 file changed, 394 insertions(+), 64 deletions(-)