fix(prefer-presence-queries): guard against nil matcher

Author: Belco90

lib/rules/prefer-presence-queries.js

@@ -36,7 +36,7 @@ module.exports = {
 
       if (expectCallNode) {
         const expectStatement = expectCallNode.parent;
-        let matcher = expectStatement.property.name;
+        let matcher = expectStatement.property && expectStatement.property.name;
         let isNegatedMatcher = false;
 
         if (matcher === 'not') {