patch 9.0.1195: restoring KeyTyped when building statusline not tested

Problem:    Restoring KeyTyped when building statusline not tested.
Solution:   Add a test.  Clean up and fix other tests. (closes #11815)
diff --git a/src/globals.h b/src/globals.h
index 8c3cb62..e38b471 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -2043,6 +2043,6 @@
 // Skip update_topline() call while executing win_fix_scroll().
 EXTERN int skip_update_topline INIT(= FALSE);
 
-// 'showcmd' buffer shared between normal.c and statusline.c
+// 'showcmd' buffer shared between normal.c and statusline code
 #define SHOWCMD_BUFLEN (SHOWCMD_COLS + 1 + 30)
 EXTERN char_u showcmd_buf[SHOWCMD_BUFLEN];