patch 9.0.0862: default value of 'endoffile' is wrong

Problem:    Default value of 'endoffile' is wrong.
Solution:   The default must be 'noendoffile'.
diff --git a/src/testdir/test_options.vim b/src/testdir/test_options.vim
index 23c4077..30828e2 100644
--- a/src/testdir/test_options.vim
+++ b/src/testdir/test_options.vim
@@ -1453,5 +1453,17 @@
   let &keywordprg = k
 endfunc
 
+" check that the very first buffer created does not have 'endoffile' set
+func Test_endoffile_default()
+  let after =<< trim [CODE]
+    call writefile([execute('set eof?')], 'Xtestout')
+    qall!
+  [CODE]
+  if RunVim([], after, '')
+    call assert_equal(["\nnoendoffile"], readfile('Xtestout'))
+  endif
+  call delete('Xtestout')
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab