Key points:\n- restore the tests tree removed by bc47e6e\n- capture current editor workspace, scene, and docs reshuffle changes\n- keep local cloud.nvdb resources ignored from this commit
- triangle/quad/sphere tests: Update to use new Initialize signature with OpenGLDevice*
- triangle/quad/sphere tests: Use GetGLContext() for RenderDoc SetDevice
- triangle/quad/sphere tests: Add wglMakeCurrent in render loop
- triangle/quad/sphere tests: Update capture timing to frame 25-35
- unit test fixture: Add GetDevice() method
- unit test swap_chain: Update to use new Initialize signature
- Simplify OpenGL integration test structure
- Enable CTest registration for OpenGL tests
- Refactor test fixtures and device enumeration
- Minor code cleanup and improvements
- Move old test files to new unit/integration structure
- Add OpenGL Test Fixture
- Update CMakeLists.txt for new layout
- Add OpenGL_Test_Restructuring_Plan.md
