patch 8.1.1545: when the screen is to small there is no message about that

Problem:    When the screen is to small there is no message about that.
            (Daniel Hahler)
Solution:   Do not use :cquit. (closes #4534)

src/testdir/runtest.vim

@@ -38,8 +38,11 @@ if &lines < 24 || &columns < 80
   echoerr error
   split test.log
   $put =error
-  w
-  cquit
+  write
+  split messages
+  call append(line('$'), error)
+  write
+  qa!
 endif
 
 if has('reltime')

src/version.c

@@ -777,6 +777,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1545,
 /**/
     1544,
 /**/