[NFC] Update test-triton.sh (#258)

Address review comment:
#246 (comment)

Signed-off-by: Tsang, Whitney <[email protected]>

scripts/test-triton.sh

@@ -100,30 +100,31 @@ function run_core_tests {
   if [ ! -d "${CORE_TEST_DIR}" ]; then
     echo "Not found '${CORE_TEST_DIR}'. Build Triton please" ; exit 3
   fi
+  cd ${CORE_TEST_DIR}
 
-  cd $CORE_TEST_DIR/language
-  TRITON_DISABLE_LINE_INFO=1 python3 -m pytest --verbose --device xpu --ignore=test_line_info.py --ignore=test_subprocess.py
+  TRITON_DISABLE_LINE_INFO=1 python3 -m pytest --verbose --device xpu language/ --ignore=language/test_line_info.py --ignore=language/test_subprocess.py
   if [ $? -ne 0 ]; then
     echo "FAILED: return code $?" ; exit $?
   fi
 
-  # run test_line_info.py separately with TRITON_DISABLE_LINE_INFO=0
-  TRITON_DISABLE_LINE_INFO=0 python3 -m pytest --verbose --device xpu test_line_info.py
+  # run runtime tests serially to avoid race condition with cache handling.
+  TRITON_DISABLE_LINE_INFO=1 python3 -m pytest --verbose runtime/
   if [ $? -ne 0 ]; then
     echo "FAILED: return code $?" ; exit $?
   fi
 
-  python3 assert_helper.py device_assert
+  # run test_line_info.py separately with TRITON_DISABLE_LINE_INFO=0
+  TRITON_DISABLE_LINE_INFO=0 python3 -m pytest --verbose language/test_line_info.py
   if [ $? -ne 0 ]; then
     echo "FAILED: return code $?" ; exit $?
   fi
-  python3 print_helper.py device_print float 1> /dev/null
+
+  python3 language/assert_helper.py device_assert
   if [ $? -ne 0 ]; then
     echo "FAILED: return code $?" ; exit $?
   fi
 
-  cd $CORE_TEST_DIR/runtime
-  TRITON_DISABLE_LINE_INFO=1 python3 -m pytest --verbose
+  python3 language/print_helper.py device_print float 1> /dev/null
   if [ $? -ne 0 ]; then
     echo "FAILED: return code $?" ; exit $?
   fi