AST tests do not correctly report errors about libdparse HOT 3 OPEN

diff --git a/test/run_tests.sh b/test/run_tests.sh
index 1e267d2..c2d6609 100755
--- a/test/run_tests.sh
+++ b/test/run_tests.sh
@@ -88,12 +88,12 @@ if [[ ${BUILDKITE:-} != "true" ]]; then
                                expectParseFailure=1
                        elif [[ "$line" =~ ^# ]]; then
                                true # comment line
-                       elif echo "$AST" | xmllint --xpath "${line}" - 2>/dev/null > /dev/null; then
-                               ((currentPasses=currentPasses+1))
-                       else
+                       elif echo "$AST" | xmllint --xpath "${line}" - 2>&1 | grep 'XPath set is empty' >/dev/null; then
                                echo
                                echo -e "    ${RED}Check on line $lineCount of $queryFile failed.${NORMAL}"
                                ((currentFailures=currentFailures+1))
+                       else
+                               ((currentPasses=currentPasses+1))
                        fi
                        ((lineCount=lineCount+1))
                done < "$queryFile"