patch 8.1.1904: cannot have an info popup align with the popup menu

Problem:    Cannot have an info popup align with the popup menu.
Solution:   Add the "align" item to 'completepopup'.
diff --git a/src/testdir/dumps/Test_popupwin_infopopup_align_1.dump b/src/testdir/dumps/Test_popupwin_infopopup_align_1.dump
new file mode 100644
index 0000000..20c9790
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_infopopup_align_1.dump
@@ -0,0 +1,14 @@
+|t+0&#ffffff0|e|x|t| |t|e|x|t| |t|e|x|t| |t|e|x|t| |t|e|x|t| |t@1|h|a|t|w|o|r|d> @40
+|~+0#4040ff13&| @23| +0#0000001#ffd7ff255|w|r|d| @4|W| |e|x|t|r|a| |t|e|x|t| | +0&#e0e0e08|t|h|a|t| |w|o|r|d| |i|s| |c|o@1|l| | +0#4040ff13#ffffff0@8
+|~| @23| +0#0000001#ffd7ff255|a|n|o|t|w|r|d| |W| |e|x|t|r|a| |t|e|x|t| | +0#4040ff13#ffffff0@27
+|~| @23| +0#0000001#ffd7ff255|n|o|a|w|r|d| @1|W| |e|x|t|r|a| |t|e|x|t| | +0#4040ff13#ffffff0@27
+|~| @23| +0#0000001#e0e0e08|t|h|a|t|w|r|d| |W| |e|x|t|r|a| |t|e|x|t| | +0#4040ff13#ffffff0@27
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|-+2#0000000&@1| |U|s|e|r| |d|e|f|i|n|e|d| |c|o|m|p|l|e|t|i|o|n| |(|^|U|^|N|^|P|)| |m+0#00e0003&|a|t|c|h| |4| |o|f| |4| +0#0000000&@26
diff --git a/src/testdir/dumps/Test_popupwin_infopopup_align_2.dump b/src/testdir/dumps/Test_popupwin_infopopup_align_2.dump
new file mode 100644
index 0000000..6b4a4e0
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_infopopup_align_2.dump
@@ -0,0 +1,14 @@
+|t+0&#ffffff0|e|x|t| |t|e|x|t| |t|e|x|t| |t|e|x|t| |t|e|x|t| |t@1|h|a|t|w|o|r|d|t|e|s|t| |t|e|x|t| |t|e|s|t| |a|n|o|t|h|e|r|w|o|r|d> @14
+|~+0#4040ff13&| @9| +0#0000001#e0e0e08|o|t|h|e|r| |w|o|r|d|s| |a|r|e| @20| +0&#ffd7ff255|w|r|d| @4|W| |e|x|t|r|a| |t|e|x|t| | +0#4040ff13#ffffff0@4
+|~| @9| +0#0000001#e0e0e08|c|o@1|l|e|r| |t|h|a|n| |t|h|i|s| |a|n|d| |s|o|m|e| |m|o|r|e| |t|e|x|t| @1|a|n|o|t|w|r|d| |W| |e|x|t|r|a| |t|e|x|t| | +0#4040ff13#ffffff0@4
+|~| @9| +0#0000001#e0e0e08|t|o| |m|a|k|e| |w|r|a|p| @23| +0&#ffd7ff255|n|o|a|w|r|d| @1|W| |e|x|t|r|a| |t|e|x|t| | +0#4040ff13#ffffff0@4
+|~| @46| +0#0000001#ffd7ff255|t|h|a|t|w|r|d| |W| |e|x|t|r|a| |t|e|x|t| | +0#4040ff13#ffffff0@4
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|-+2#0000000&@1| |U|s|e|r| |d|e|f|i|n|e|d| |c|o|m|p|l|e|t|i|o|n| |(|^|U|^|N|^|P|)| |m+0#00e0003&|a|t|c|h| |2| |o|f| |4| +0#0000000&@26
diff --git a/src/testdir/dumps/Test_popupwin_infopopup_align_3.dump b/src/testdir/dumps/Test_popupwin_infopopup_align_3.dump
new file mode 100644
index 0000000..6effda0
--- /dev/null
+++ b/src/testdir/dumps/Test_popupwin_infopopup_align_3.dump
@@ -0,0 +1,14 @@
+|t+0&#ffffff0|e|x|t| |t|e|x|t| |t|e|x|t| |t|e|x|t| |t|e|x|t| |t@1|h|a|t|w|o|r|d|t|e|s|t| |t|e|x|t| |t|e|s|t| |a|n|o|t|h|e|r|w|o|r|d| @14
+|x| @73
+|x| @73
+|x| @73
+|x| @73
+|x| @73
+|x| @73
+|x| @7| +0#0000001#e0e0e08|w|r|d| @4|W| |e|x|t|r|a| |t|e|x|t| | +0#0000000#ffffff0@43
+|x| @7| +0#0000001#ffd7ff255|a|n|o|t|w|r|d| |W| |e|x|t|r|a| |t|e|x|t| | +0#0000000#ffffff0@43
+|x| @7| +0#0000001#ffd7ff255|n|o|a|w|r|d| @1|W| |e|x|t|r|a| |t|e|x|t| | +0#0000000#ffffff0@43
+|x| @7| +0#0000001#ffd7ff255|t|h|a|t|w|r|d| |W| |e|x|t|r|a| |t|e|x|t| | +0&#e0e0e08|w|o|r|d|s| |a|r|e| |c|o@1|l| | +0#0000000#ffffff0@27
+|t|e|s|t| |t|e|x|t| |a|w|o|r|d> @59
+|~+0#4040ff13&| @73
+|-+2#0000000&@1| |U|s|e|r| |d|e|f|i|n|e|d| |c|o|m|p|l|e|t|i|o|n| |(|^|U|^|N|^|P|)| |m+0#00e0003&|a|t|c|h| |1| |o|f| |4| +0#0000000&@26
diff --git a/src/testdir/test_popupwin.vim b/src/testdir/test_popupwin.vim
index 98522b7..1f1f731 100644
--- a/src/testdir/test_popupwin.vim
+++ b/src/testdir/test_popupwin.vim
@@ -2292,4 +2292,33 @@
   call delete('XtestInfoPopupNb')
 endfunc
 
+func Test_popupmenu_info_align_menu()
+  CheckScreendump
+
+  let lines = Get_popupmenu_lines()
+  call add(lines, 'set completepopup=height:4,border:off,align:menu')
+  call writefile(lines, 'XtestInfoPopupNb')
+
+  let buf = RunVimInTerminal('-S XtestInfoPopupNb', #{rows: 14})
+  call term_wait(buf, 50)
+
+  call term_sendkeys(buf, "A\<C-X>\<C-U>")
+  call term_sendkeys(buf, "\<C-N>")
+  call term_sendkeys(buf, "\<C-N>")
+  call term_sendkeys(buf, "\<C-N>")
+  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_align_1', {})
+
+  call term_sendkeys(buf, "test text test text test\<C-X>\<C-U>")
+  call term_sendkeys(buf, "\<C-N>")
+  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_align_2', {})
+
+  call term_sendkeys(buf, "\<Esc>")
+  call term_sendkeys(buf, ":call setline(2, ['x']->repeat(10))\<CR>")
+  call term_sendkeys(buf, "Gotest text test text\<C-X>\<C-U>")
+  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_align_3', {})
+
+  call StopVimInTerminal(buf)
+  call delete('XtestInfoPopupNb')
+endfunc
+
 " vim: shiftwidth=2 sts=2