Two test cases for the OpenCL execution context request the 2nd GPU device. As per #18907 (comment)_ the test cases should only use GPU device 0.

System information (version)

• OpenCV => 4.5.0
• Operating System / Platform => Windows 10 64-Bit
• Compiler => Visual Studio Community 2019 v16.8.2

Steps to reproduce

Code review at

and

Result

The 2nd GPU device is associated with the Execution Context. My computer has two devices in order: Nvidia, and Intel. Therefore, in these test cases, it is the Intel that is associated.

Expected

The GPU device 0 to be associated. On my system it would be the Nvidia.

Issue submission checklist

• I report the issue, it's not a question
• I checked the problem with documentation, FAQ, open issues,
  answers.opencv.org, Stack Overflow, etc and have not found solution
• I updated to latest OpenCV version and the issue is still there
• There is reproducer code and related data files: videos, images, onnx, etc