[TEST] SSAT based test case complete
- removed unnecessary line from unittest_plugins
- updated test pipeline in unittest_tensorRegion, runTest.sh and getCropInfo
- tested all the python scripts, ssat test case script and unittest for tensor_region
- Python Script for generating golden test results
- Using tensor_filter's output for orange.png for testing to avoid uploading ssd_mobilenet_v2_coco.tflite model
- changed Camel casing and update tests/meson.build
Signed-off-by: HarshJ20 <hjain24in@gmail.com>