Update ci-testing.yml

.github/workflows/ci-testing.yml

       run: |
         export PYTHONPATH="$PWD"  # to run *.py. files in subdirectories
         di=cpu # inference devices  # define device
+        
         # train
-        python train.py --weights weights/${{ matrix.yolo5-model }}.pt --cfg models/${{ matrix.yolo5-model }}.yaml --epochs 1 --img 320 --device $di --batch-size 8
+        python train.py --img 256 --batch 8 --weights weights/${{ matrix.yolo5-model }}.pt --cfg models/${{ matrix.yolo5-model }}.yaml --epochs 1 --device $di
         # detect
         python detect.py --weights weights/${{ matrix.yolo5-model }}.pt --device $di
         python detect.py --weights runs/exp0/weights/last.pt --device $di
         # test
-        python test.py --weights weights/${{ matrix.yolo5-model }}.pt --device $di --batch 8
-        python test.py --weights runs/exp0/weights/last.pt --device $di  --batch 8
-        # inspect
-        python models/yolo.py --cfg models/${{ matrix.yolo5-model }}.yaml
-        # export
-        python models/export.py --weights weights/${{ matrix.yolo5-model }}.pt --img 640 --batch 1
+        python test.py --img 256 --batch 8 --weights weights/${{ matrix.yolo5-model }}.pt --device $di
+        python test.py --img 256 --batch 8 --weights runs/exp0/weights/last.pt --device $di 
+        
+        python models/yolo.py --cfg models/${{ matrix.yolo5-model }}.yaml  # inspect
+        python models/export.py --img 256 --batch 1 --weights weights/${{ matrix.yolo5-model }}.pt  # export
       shell: bash