[iptables PATCH 4/5] tests: xlate-test: Fix for 'make distcheck'

[Phil Sutter <phil@nwl.cc>]

Similar problem as with the other suites: The build directory does not
contain test cases, only build results.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 xlate-test.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/xlate-test.py b/xlate-test.py
index b6a78bb250e27..1c8cfe71ffd46 100755
--- a/xlate-test.py
+++ b/xlate-test.py
@@ -188,8 +188,10 @@ xtables_nft_multi = 'xtables-nft-multi'
 
 def load_test_files():
     test_files = total_tests = total_passed = total_error = total_failed = 0
-    tests = sorted(os.listdir("extensions"))
-    for test in ['extensions/' + f for f in tests if f.endswith(".txlate")]:
+    tests_path = os.path.join(os.path.dirname(sys.argv[0]), "extensions")
+    tests = sorted(os.listdir(tests_path))
+    for test in [os.path.join(tests_path, f)
+                 for f in tests if f.endswith(".txlate")]:
         with open(test, "r") as payload:
             tests, passed, failed, errors = run_test(test, payload)
             test_files += 1
-- 
2.47.0