ukify: Skip test on architectures without UEFI

(cherry picked from commit 5121f7c)
(cherry picked from commit c355457)
(cherry picked from commit 4a86d30)

Author: DaanDeMeyer

src/ukify/test/test_ukify.py

@@ -36,6 +36,13 @@
 sys.path.append(os.path.dirname(__file__) + '/..')
 import ukify
 
+# Skip if we're running on an architecture that does not use UEFI.
+try:
+    ukify.guess_efi_arch()
+except ValueError as e:
+    print(str(e), file=sys.stderr)
+    sys.exit(77)
+
 build_root = os.getenv('PROJECT_BUILD_ROOT')
 try:
     slow_tests = bool(int(os.getenv('SYSTEMD_SLOW_TESTS', '1')))