Tweaks to some of the transcript regex tests

Author: kotfu

tests/transcripts/multiline_regex.txt

@@ -1,2 +1,6 @@
 (Cmd) say -r 3 -s yabba dabba do
 /\A(YA.*?DO\n?){3}/
+(Cmd) say -r 5 -s yabba dabba do
+YABBA DABBA DO
+YABBA /[A-Z ]*?/
+DO

tests/transcripts/slashslash_escaped.txt

@@ -1,2 +1,5 @@
 (Cmd) say //
 \/\/
+(Cmd) say /some/unix/path
+\/some\/unix\/path
+