patch 9.1.2020: tests: test_virtualedit.vim leaves swapfiles behind

Problem:  tests: test_virtualedit.vim leaves swapfiles behind
Solution: Close open buffers using :bw! instead of :close!

Signed-off-by: Christian Brabandt <cb@256bit.org>

Author: chrisbra

src/testdir/test_virtualedit.vim

@@ -395,7 +395,7 @@ func Test_delete_break_tab()
   normal v3ld
   call assert_equal('    two', getline(1))
   set virtualedit&
-  close!
+  bw!
 endfunc
 
 " Test for using <BS>, <C-W> and <C-U> in virtual edit mode
@@ -413,7 +413,7 @@ func Test_ve_backspace()
   call assert_equal([0, 1, 1, 0], getpos('.'))
   set backspace&
   set virtualedit&
-  close!
+  bw!
 endfunc
 
 " Test for delete (x) on EOL character and after EOL

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2020,
 /**/
     2019,
 /**/