should-vdj-to-tap.py: Allow jokers

We must allow anything *before* the alternative, not after (as in the else case)

algo/tests/should-vdj-to-tap.py

@@ -168,7 +168,7 @@ def should_pattern_to_regex(p):
 
         if len(r) > 1 and r[1][0] == '|':
             # We have an alternative
-            regex_pattern = '('+''.join(r)+').*'
+            regex_pattern = '.*('+''.join(r)+')'
         else:
             regex_pattern = '.*'.join(r)