patch 8.2.2818: no jump added  when opening terminal in current window

Problem:    No jump added to jumplist when opening terminal in current window.
Solution:   Call setpcmark(). (closes #8158)
diff --git a/src/testdir/test_terminal.vim b/src/testdir/test_terminal.vim
index 6ea90b2..3944294 100644
--- a/src/testdir/test_terminal.vim
+++ b/src/testdir/test_terminal.vim
@@ -2029,5 +2029,12 @@
   augroup END
 endfunc
 
+func Test_terminal_adds_jump()
+  clearjumps
+  call term_start("ls", #{curwin: 1})
+  call assert_equal(1, getjumplist()[0]->len())
+  bwipe!
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab