patch 8.2.2007: test for insert mode in popup is not reliable

Problem:    Test for insert mode in popup is not reliable.
Solution:   Wait for the popup to disappear. (Ozaki Kiichi, closes #7321)
diff --git a/src/testdir/test_terminal.vim b/src/testdir/test_terminal.vim
index ee0e743..cef379a 100644
--- a/src/testdir/test_terminal.vim
+++ b/src/testdir/test_terminal.vim
@@ -1266,7 +1266,7 @@
   call assert_equal('n', mode())
 
   call feedkeys("\<C-D>", 'xt')
-  sleep 50m
+  call WaitFor({-> popup_list() == []})
   delfunc StartTermInPopup
   iunmap <F3>
 endfunc
diff --git a/src/version.c b/src/version.c
index 4b91ba4..cc296f5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2007,
+/**/
     2006,
 /**/
     2005,