fixup! for parallel edge unification

Author: pmbittner

src/test/resources/diffs/parser/13_expected.lg

@@ -1,5 +1,5 @@
 v 16 NON;IF;(old: -1, diff: -1, new: -1);(old: -1, diff: -1, new: -1);True
 v 144 NON;IF;(old: 1, diff: 1, new: 1);(old: 2, diff: 2, new: 2);A;#ifdef A
 v 209 NON;ELSE;(old: 2, diff: 2, new: 2);(old: 3, diff: 3, new: 3);;#else // B
-e 144 16 ba;0;0
-e 209 144 ba;0;0
+e 144 16 ba;0
+e 209 144 ba;0

src/test/resources/diffs/parser/14_expected.lg

@@ -1,5 +1,5 @@
 v 16 NON;IF;(old: -1, diff: -1, new: -1);(old: -1, diff: -1, new: -1);True
 v 144 NON;IF;(old: 1, diff: 1, new: 1);(old: 2, diff: 3, new: 2);A;#ifdef A
 v 201 REM;ELSE;(old: 2, diff: 2, new: -1);(old: 3, diff: 3, new: -1);;#else // B
-e 144 16 ba;0;0
+e 144 16 ba;0
 e 201 144 b;0