[CI] Add back the tests after timeout adjusted (apache#7408)

Author: tqchen

tests/scripts/task_python_frontend.sh

@@ -31,8 +31,6 @@ find . -type f -path "*.pyc" | xargs rm -f
 # Rebuild cython
 make cython3
 
-exit 0
-
 echo "Running relay MXNet frontend test..."
 python3 -m pytest tests/python/frontend/mxnet
 

tests/scripts/task_python_integration.sh

@@ -27,8 +27,6 @@ export LD_LIBRARY_PATH="build:${LD_LIBRARY_PATH:-}"
 export TVM_BIND_THREADS=0
 export TVM_NUM_THREADS=2
 
-exit 0
-
 # cleanup pycache
 find . -type f -path "*.pyc" | xargs rm -f