Unittest is not allowed to be disabled (#21483)

tools/check_api_approvals.sh

@@ -112,6 +112,12 @@ if [ ${HAS_DEFINE_FLAG} ] && [ "${GIT_PR_ID}" != "" ]; then
     check_approval 1 47554610 
 fi
 
+HAS_UNITTEST_SKIP=`git diff -U0 upstream/$BRANCH | grep "^+[[:space:]]\{0,\}@unittest.skip" || true`
+if [ "${HAS_UNITTEST_SKIP}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
+    echo_line="Unittest is not allowed to be disabled.\nYou must have one RD (XiaoguangHu01, phlrain, luotao1 or lanxianghit) approval for the usage of @unittest.skip or @unittest.skipIf.\n${HAS_UNITTEST_SKIP}\n"
+    check_approval 1 46782768 6836917 47554610 43953930
+fi
+
 ALL_PADDLE_ENFORCE=`git diff -U0 upstream/$BRANCH |grep "+" |grep -zoE "PADDLE_ENFORCE\(.[^,\);]+.[^;]*\);\s" || true`
 if [ "${ALL_PADDLE_ENFORCE}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
     echo_line="PADDLE_ENFORCE is not recommended. Please use PADDLE_ENFORCE_EQ/NE/GT/GE/LT/LE or PADDLE_ENFORCE_NOT_NULL or PADDLE_ENFORCE_CUDA_SUCCESS instead.\nYou must have one RD (chenwhql (Recommend) , luotao1 (Recommend) or lanxianghit) approval for the usage (either add or delete) of PADDLE_ENFORCE.\n${ALL_PADDLE_ENFORCE}\n"