Record all the backend test cases

[chentong319]

This PR records all the backend test cases, models and nodes, in file all_test_names.txt. User can use this file to add new backend test cases without going into third_party/onnx code. Also, the file reveals what test cases are not supported by onnx-mlir so far. When onnx is updated to a new version, we can generate a new version of this file and compare against the older one to find out the changes in backend test cases.

[gongsu832]

It's a bit confusing to call this a test since all it does is to save the test names in a file. It feels more like a tool belonging to utils.

[AlexandreEichenberger]

are you planning to do a version where only the missing tests are listed (avail - already here)?

[AlexandreEichenberger]

are you planning to do a version where only the missing tests are listed (avail - already here)?

any response @chentong319 ?

[chentong319]

are you planning to do a version where only the missing tests are listed (avail - already here)?

Not in this PR. Need to find a unified way to specify the test case for cpu and accelerator.

[jenkins-droid]

Jenkins Linux amd64 Build #7296 [push] Record all the backend t... started at 08:34

[jenkins-droid]

Jenkins Linux ppc64le Build #6361 [push] Record all the backend t... started at 09:35

[jenkins-droid]

Jenkins Linux s390x Build #7312 [push] Record all the backend t... started at 09:34

[jenkins-droid]

Jenkins Linux s390x Build #7312 [push] Record all the backend t... aborted after 55 min

[jenkins-droid]

Jenkins Linux ppc64le Build #6361 [push] Record all the backend t... aborted after 56 min

[jenkins-droid]

Jenkins Linux amd64 Build #7296 [push] Record all the backend t... aborted after 56 min