patch 8.2.1498: on slow systems tests can be flaky

Problem:    On slow systems tests can be flaky.
Solution:   Use TermWait() instead of term-wait(). (Yegappan Lakshmanan,
            closes #6756)

src/testdir/test_digraph.vim

@@ -504,13 +504,13 @@ func Test_entering_digraph()
   CheckRunVimInTerminal
   let buf = RunVimInTerminal('', {'rows': 6})
   call term_sendkeys(buf, "i\<C-K>")
-  call term_wait(buf)
+  call TermWait(buf)
   call assert_equal('?', term_getline(buf, 1))
   call term_sendkeys(buf, "1")
-  call term_wait(buf)
+  call TermWait(buf)
   call assert_equal('1', term_getline(buf, 1))
   call term_sendkeys(buf, "2")
-  call term_wait(buf)
+  call TermWait(buf)
   call assert_equal('½', term_getline(buf, 1))
   call StopVimInTerminal(buf)
 endfunc

src/testdir/test_display.vim

@@ -250,7 +250,7 @@ func Test_display_scroll_at_topline()
 
   let buf = RunVimInTerminal('', #{cols: 20})
   call term_sendkeys(buf, ":call setline(1, repeat('a', 21))\<CR>")
-  call term_wait(buf)
+  call TermWait(buf)
   call term_sendkeys(buf, "O\<Esc>")
   call VerifyScreenDump(buf, 'Test_display_scroll_at_topline', #{rows: 4})
 

src/testdir/test_popupwin.vim

@@ -2566,7 +2566,7 @@ func Test_popupwin_close_prevwin()
   call assert_equal(2, winnr())
   let buf = term_start(&shell, #{hidden: 1})
   call popup_create(buf, {})
-  call term_wait(buf, 100)
+  call TermWait(buf, 100)
   call popup_clear(1)
   call assert_equal(2, winnr())
 

src/testdir/test_termcodes.vim

@@ -1898,9 +1898,9 @@ func Test_list_builtin_terminals()
   CheckRunVimInTerminal
   let buf = RunVimInTerminal('', #{rows: 14})
   call term_sendkeys(buf, ":set cmdheight=3\<CR>")
-  call term_wait(buf, 100)
+  call TermWait(buf, 100)
   call term_sendkeys(buf, ":set term=xxx\<CR>")
-  call term_wait(buf, 100)
+  call TermWait(buf, 100)
   call assert_match('builtin_dumb', term_getline(buf, 11))
   call assert_match('Not found in termcap', term_getline(buf, 12))
   call StopVimInTerminal(buf)

src/testdir/test_terminal.vim

@@ -264,11 +264,11 @@ func Test_terminal_one_column()
   let width = &columns
   botright vert term
   let buf = bufnr('$')
-  call term_wait(buf, 100)
+  call TermWait(buf, 100)
   exe "set columns=" .. (width / 2)
   redraw
   call term_sendkeys(buf, "キ")
-  call term_wait(buf, 10)
+  call TermWait(buf, 10)
   exe "set columns=" .. width
   exe buf . 'bwipe!'
 endfunc
@@ -1221,7 +1221,7 @@ func Test_terminal_dumpwrite_errors()
   CheckRunVimInTerminal
   call assert_fails("call term_dumpwrite({}, 'Xtest.dump')", 'E728:')
   let buf = RunVimInTerminal('', {})
-  call term_wait(buf)
+  call TermWait(buf)
   call assert_fails("call term_dumpwrite(buf, 'Xtest.dump', '')", 'E715:')
   call assert_fails("call term_dumpwrite(buf, [])", 'E730:')
   call writefile([], 'Xtest.dump')
@@ -1231,7 +1231,7 @@ func Test_terminal_dumpwrite_errors()
   call assert_fails("call term_dumpwrite(buf, test_null_string())", 'E482:')
   call test_garbagecollect_now()
   call StopVimInTerminal(buf)
-  call term_wait(buf)
+  call TermWait(buf)
   call assert_fails("call term_dumpwrite(buf, 'Xtest.dump')", 'E958:')
   call assert_fails('call term_sendkeys([], ":q\<CR>")', 'E745:')
   call assert_equal(0, term_sendkeys(buf, ":q\<CR>"))

src/testdir/test_terminal3.vim

@@ -374,7 +374,7 @@ func Test_term_mouse()
   call term_sendkeys(buf, ":set mouse=a term=xterm ttymouse=sgr\<CR>")
   call term_sendkeys(buf, ":set clipboard=\<CR>")
   call term_sendkeys(buf, ":set mousemodel=extend\<CR>")
-  call term_wait(buf)
+  call TermWait(buf)
   redraw!
 
   " Use the mouse to enter the terminal window
@@ -388,9 +388,9 @@ func Test_term_mouse()
   call feedkeys("\<LeftMouse>\<LeftRelease>", 'xt')
   call test_setmouse(3, 8)
   call term_sendkeys(buf, "\<LeftMouse>\<LeftRelease>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call term_sendkeys(buf, ":call writefile([json_encode(getpos('.'))], 'Xbuf')\<CR>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   let pos = json_decode(readfile('Xbuf')[0])
   call assert_equal([3, 8], pos[1:2])
 
@@ -400,9 +400,9 @@ func Test_term_mouse()
   call term_sendkeys(buf, "\<LeftMouse>")
   call test_setmouse(2, 16)
   call term_sendkeys(buf, "\<LeftRelease>y")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call term_sendkeys(buf, ":call writefile([@\"], 'Xbuf')\<CR>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call assert_equal('yellow', readfile('Xbuf')[0])
 
   " Test for selecting text using doubleclick
@@ -411,18 +411,18 @@ func Test_term_mouse()
   call term_sendkeys(buf, "\<LeftMouse>\<LeftRelease>\<LeftMouse>")
   call test_setmouse(1, 17)
   call term_sendkeys(buf, "\<LeftRelease>y")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call term_sendkeys(buf, ":call writefile([@\"], 'Xbuf')\<CR>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call assert_equal('three four', readfile('Xbuf')[0])
 
   " Test for selecting a line using triple click
   call delete('Xbuf')
   call test_setmouse(3, 2)
   call term_sendkeys(buf, "\<LeftMouse>\<LeftRelease>\<LeftMouse>\<LeftRelease>\<LeftMouse>\<LeftRelease>y")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call term_sendkeys(buf, ":call writefile([@\"], 'Xbuf')\<CR>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call assert_equal("vim emacs sublime nano\n", readfile('Xbuf')[0])
 
   " Test for selecting a block using qudraple click
@@ -431,9 +431,9 @@ func Test_term_mouse()
   call term_sendkeys(buf, "\<LeftMouse>\<LeftRelease>\<LeftMouse>\<LeftRelease>\<LeftMouse>\<LeftRelease>\<LeftMouse>")
   call test_setmouse(3, 13)
   call term_sendkeys(buf, "\<LeftRelease>y")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call term_sendkeys(buf, ":call writefile([@\"], 'Xbuf')\<CR>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call assert_equal("ree\nyel\nsub", readfile('Xbuf')[0])
 
   " Test for extending a selection using right click
@@ -442,9 +442,9 @@ func Test_term_mouse()
   call term_sendkeys(buf, "\<LeftMouse>\<LeftRelease>")
   call test_setmouse(2, 16)
   call term_sendkeys(buf, "\<RightMouse>\<RightRelease>y")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call term_sendkeys(buf, ":call writefile([@\"], 'Xbuf')\<CR>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call assert_equal("n yellow", readfile('Xbuf')[0])
 
   " Test for pasting text using middle click
@@ -452,13 +452,13 @@ func Test_term_mouse()
   call term_sendkeys(buf, ":let @r='bright '\<CR>")
   call test_setmouse(2, 22)
   call term_sendkeys(buf, "\"r\<MiddleMouse>\<MiddleRelease>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call term_sendkeys(buf, ":call writefile([getline(2)], 'Xbuf')\<CR>")
-  call term_wait(buf, 50)
+  call TermWait(buf, 50)
   call assert_equal("red bright blue", readfile('Xbuf')[0][-15:])
 
   " cleanup
-  call term_wait(buf)
+  call TermWait(buf)
   call StopVimInTerminal(buf)
   let &mouse = save_mouse
   let &term = save_term
@@ -494,14 +494,14 @@ func Test_term_modeless_selection()
   let buf = RunVimInTerminal('Xtest_modeless -n', {})
   call term_sendkeys(buf, ":set nocompatible\<CR>")
   call term_sendkeys(buf, ":set mouse=\<CR>")
-  call term_wait(buf)
+  call TermWait(buf)
   redraw!
 
   " Use the mouse to enter the terminal window
   call win_gotoid(prev_win)
   call feedkeys(MouseLeftClickCode(1, 1), 'x')
   call feedkeys(MouseLeftReleaseCode(1, 1), 'x')
-  call term_wait(buf)
+  call TermWait(buf)
   call assert_equal(1, getwininfo(win_getid())[0].terminal)
 
   " Test for copying a modeless selection to clipboard
@@ -514,7 +514,7 @@ func Test_term_modeless_selection()
   call assert_equal("d green y", @*)
 
   " cleanup
-  call term_wait(buf)
+  call TermWait(buf)
   call StopVimInTerminal(buf)
   let &mouse = save_mouse
   let &term = save_term

src/testdir/test_writefile.vim

@@ -268,9 +268,9 @@ func Test_write_file_mtime()
   call writefile(["Line1", "Line2"], 'Xfile')
   let old_ftime = getftime('Xfile')
   let buf = RunVimInTerminal('Xfile', #{rows : 10})
-  call term_wait(buf)
+  call TermWait(buf)
   call term_sendkeys(buf, ":set noswapfile\<CR>")
-  call term_wait(buf)
+  call TermWait(buf)
 
   " Modify the file directly.  Make sure the file modification time is
   " different. Note that on Linux/Unix, the file is considered modified
@@ -286,17 +286,17 @@ func Test_write_file_mtime()
 
   " Try to overwrite the file and check for the prompt
   call term_sendkeys(buf, ":w\<CR>")
-  call term_wait(buf)
+  call TermWait(buf)
   call WaitForAssert({-> assert_equal("WARNING: The file has been changed since reading it!!!", term_getline(buf, 9))})
   call assert_equal("Do you really want to write to it (y/n)?",
         \ term_getline(buf, 10))
   call term_sendkeys(buf, "n\<CR>")
-  call term_wait(buf)
+  call TermWait(buf)
   call assert_equal(new_ftime, getftime('Xfile'))
   call term_sendkeys(buf, ":w\<CR>")
-  call term_wait(buf)
+  call TermWait(buf)
   call term_sendkeys(buf, "y\<CR>")
-  call term_wait(buf)
+  call TermWait(buf)
   call WaitForAssert({-> assert_equal('Line2', readfile('Xfile')[1])})
 
   " clean up
@@ -671,7 +671,7 @@ func Test_readwrite_file_with_bom()
   set cpoptions-=S
   let &fileencoding = save_fileencoding
   call delete('Xtest1')
-  call delete('Xtest2')
+  call delete('Xfile2')
   call delete('Xtest3')
   %bw!
 endfunc

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1498,
 /**/
     1497,
 /**/