patch 8.2.3162: Vim9: argument types are not checked at compile time

Problem:    Vim9: argument types are not checked at compile time.
Solution:   Add more type checks. (Yegappan Lakshmanan, closes #8560)
diff --git a/src/testdir/test_reltime.vim b/src/testdir/test_reltime.vim
index f4ce5de..c76d7a1 100644
--- a/src/testdir/test_reltime.vim
+++ b/src/testdir/test_reltime.vim
@@ -24,8 +24,8 @@
   call assert_true(reltimefloat(differs) < 0.1)
   call assert_true(reltimefloat(differs) > 0.0)
 
-  call assert_equal(0, reltime({}))
-  call assert_equal(0, reltime({}, {}))
+  call assert_equal([], reltime({}))
+  call assert_equal([], reltime({}, {}))
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab