patch 9.0.1893: CI: strptime test fails on BSD14

Problem:  CI: strptime test fails on BSD14
Solution: Skip the test

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index dc5f336..0d246a2 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -4343,10 +4343,13 @@
 
 def Test_strptime()
   CheckFunction strptime
+  CheckNotBSD
   if exists_compiled('*strptime')
     v9.CheckDefAndScriptFailure(['strptime(10, "2021")'], ['E1013: Argument 1: type mismatch, expected string but got number', 'E1174: String required for argument 1'])
     v9.CheckDefAndScriptFailure(['strptime("%Y", 2021)'], ['E1013: Argument 2: type mismatch, expected string but got number', 'E1174: String required for argument 2'])
     assert_notequal(0, strptime('%Y', '2021'))
+    # This fails on BSD 14 and returns 
+    # -2209078800 instead of 0
     assert_equal(0, strptime('%Y', ''))
   endif
 enddef