commit 64e2e88ec326dd37fcb85c9a9d21fa43444a0a59
Author: Bernhard M. Wiedemann <bwiedemann@suse.de>
Date:   Wed May 22 10:13:47 2024 +0200

    Fix test failure on openSUSE:Leap:15.5

diff --git a/unzip/test/test_I.c b/unzip/test/test_I.c
index 5d31ce8d..92e5ce59 100644
--- a/unzip/test/test_I.c
+++ b/unzip/test/test_I.c
@@ -45,7 +45,7 @@ DEFINE_TEST(test_I)
 #endif
 
 	extract_reference_file(reffile);
-	r = systemf("%s -I UTF-8 %s >test.out 2>test.err", testprog, reffile);
+	r = systemf("env -uLC_ALL LC_CTYPE=en_US.UTF-8 %s -I UTF-8 %s >test.out 2>test.err", testprog, reffile);
 	assertEqualInt(0, r);
 	assertNonEmptyFile("test.out");
 	assertEmptyFile("test.err");