test: Eliminate expect_err

Eliminate `expect_err` in favor of `pcall_err` + `eq` or `matches`.

1 files changed, 5 insertions, 5 deletions

diff --git a/test/functional/eval/match_functions_spec.lua b/test/functional/eval/match_functions_spec.lua
index 0ec465a34c..f399ef47d3 100644
--- a/test/functional/eval/match_functions_spec.lua
+++ b/test/functional/eval/match_functions_spec.lua
@@ -6,7 +6,7 @@ local clear = helpers.clear
 local funcs = helpers.funcs
 local command = helpers.command
 local exc_exec = helpers.exc_exec
-local expect_err = helpers.expect_err
+local pcall_err = helpers.pcall_err
 
 before_each(clear)
 
@@ -41,11 +41,11 @@ describe('setmatches()', function()
   end)
 
   it('fails with -1 if highlight group is not defined', function()
-    expect_err('E28: No such highlight group name: 1', funcs.setmatches,
-               {{group=1, pattern=2, id=3, priority=4}})
+    eq('Vim:E28: No such highlight group name: 1',
+      pcall_err(funcs.setmatches, {{group=1, pattern=2, id=3, priority=4}}))
     eq({}, funcs.getmatches())
-    expect_err('E28: No such highlight group name: 1', funcs.setmatches,
-               {{group=1, pos1={2}, pos2={6}, id=3, priority=4, conceal=5}})
+    eq('Vim:E28: No such highlight group name: 1',
+      pcall_err(funcs.setmatches, {{group=1, pos1={2}, pos2={6}, id=3, priority=4, conceal=5}}))
     eq({}, funcs.getmatches())
   end)
 end)