### Description
1. update model name structure in model_tests.cpp with source name. To
avoid
`Condition test_param_names.count(param_name) == 0 failed. Duplicate
parameterized test name 'BERT_Squad_opset10_CPU'`
2. skip some failed models https://github.com/onnx/models/issues/568
### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->
* Implement conversion from ortvalue to Itensor for string tensors and comparing sequence of maps of strings to floats
* PR comments
* Add ability to skip gpu tests according to adapter description
* spacing
* spacing
* spacing
* Model test start with float
* Clean up code and add environment variable detection
* Move into namespace
* PR comments
* Fix linker errors in latest merge to master and also fix warning
* add skipping model test mechanism
* Return std::string instead of writing to buffer
* Address case where env variable is larger than max_path
* use const static string for test reason
* Disable x86 tests and don't build if ort memory checker is enabled
* Add comment
* Add additional failing x86 tests and ifdef for checking fo rx86 build
* PR comments
