Ruby: update ReDoS.expected

Author: aibaars

ruby/ql/test/query-tests/security/cwe-1333-exponential-redos/ReDoS.expected

@@ -20,6 +20,7 @@
 | tst.rb:74:10:74:17 | (b\|a?b)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of 'b'. |
 | tst.rb:77:10:77:17 | (a\|aa?)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of 'a'. |
 | tst.rb:83:10:83:16 | (.\|\\n)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '\\n'. |
+| tst.rb:89:21:89:28 | (a\|aa?)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of 'a'. |
 | tst.rb:95:11:95:24 | ([\\S\\s]\|[^a])* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '`'. |
 | tst.rb:101:11:101:19 | (.\|[^a])* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '`'. |
 | tst.rb:107:11:107:19 | (b\|[^a])* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of 'b'. |

ruby/ql/test/query-tests/security/cwe-1333-exponential-redos/tst.rb

@@ -85,7 +85,7 @@
 # GOOD
 good8 = /([\w.]+)*/
 
-# BAD - we don't yet parse regexps constructed from strings
+# NOT GOOD
 bad17 = Regexp.new '(a|aa?)*b'
 
 # GOOD - not used as regexp