Verify test failures

Former-commit-id: 5067732414960f65788d3726666ad5cf080ae5d4

cicd_tests/verify-fails.sh

+#!/bin/bash
+set -e
+set -x
+
+cd $CICD_MODULE_WORK_DIR/peasoup_umbrella
+source set_env_vars
+
+# this test must fail
+cd $PEASOUP_HOME/tests
+make clean
+
+# verify ls failure
+./test_cmds.sh -l -c fail -a ls
+if [ $? -eq 0 ]; then
+	exit 1
+else
+	exit 0
+fi
+
+# verify grep failure
+./test_cmds.sh -l -c fail -a grep
+if [ $? -eq 0 ]; then
+	exit 1
+else
+	exit 0
+fi
+