Python: update test expectations

Author: yoff

python/ql/test/query-tests/Security/CWE-020/IncompleteHostnameRegExp.expected

@@ -1 +1,2 @@
+| hosttest.py:6:27:6:51 | (www\|beta).example.com/ | This regular expression has an unescaped '.' before 'example.com', so it might match more hosts than expected. |
 | hosttest.py:6:27:6:51 | Str | This regular expression has an unescaped '.' before 'example.com', so it might match more hosts than expected. |

python/ql/test/query-tests/Security/CWE-730/ReDoS.expected

@@ -35,8 +35,6 @@
 | redos.py:139:25:139:31 | (\\w\|G)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of 'G'. |
 | redos.py:145:25:145:32 | (\\d\|\\w)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '0'. |
 | redos.py:148:25:148:31 | (\\d\|5)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '5'. |
-| redos.py:151:25:151:34 | (\\s\|[\\f])* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '\u000c'. |
-| redos.py:157:25:157:34 | (\\f\|[\\f])* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '\u000c'. |
 | redos.py:160:25:160:32 | (\\W\|\\D)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of ' '. |
 | redos.py:163:25:163:32 | (\\S\|\\w)* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '0'. |
 | redos.py:166:25:166:34 | (\\S\|[\\w])* | This part of the regular expression may cause exponential backtracking on strings containing many repetitions of '0'. |