[vala/0.48] tests: Extend "direct access to error code" test to increase coverage

[Rico Tzschichholz <ricotz src gnome org>]

commit 19f8c6051e25f9703b98fbe7c940c844da3449c0
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Feb 22 13:10:20 2022 +0100

    tests: Extend "direct access to error code" test to increase coverage

 tests/errors/errorcode.vala | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/tests/errors/errorcode.vala b/tests/errors/errorcode.vala
index 2cb96ec67..b1e6d4ce9 100644
--- a/tests/errors/errorcode.vala
+++ b/tests/errors/errorcode.vala
@@ -4,6 +4,10 @@ errordomain FooError {
        EVEN_WORSE = 23
 }
 
+void bar (int code) {
+       assert (code == 23);
+}
+
 void main () {
        {
                var error = new IOError.NO_SPACE ("foo");
@@ -29,4 +33,7 @@ void main () {
                var code = FooError.EVEN_WORSE;
                assert (code == 23);
        }
+       {
+               bar (FooError.EVEN_WORSE);
+       }
 }