patch 9.1.0427: tests: some issues with termdebug mapping test

Problem:  tests: some issues with termdebug mapping test
Solution: Use assert_{true,false} if suitable, change
          order of expected and actual arguments in assert() calls.
          (Ken Takata)

closes: #14818
related: 7fbbd7f

Signed-off-by: Ken Takata <kentkt@csc.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 1ab889b..7d3a7e5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    427,
+/**/
     426,
 /**/
     425,