diff --git a/lib/common/tests/strings/crm_str_to_boolean_test.c b/lib/common/tests/strings/crm_str_to_boolean_test.c
index 0c30d8ac11..1b0ba45972 100644
--- a/lib/common/tests/strings/crm_str_to_boolean_test.c
+++ b/lib/common/tests/strings/crm_str_to_boolean_test.c
@@ -1,106 +1,106 @@
 /*
- * Copyright 2024 the Pacemaker project contributors
+ * Copyright 2021-2024 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
  * This source code is licensed under the GNU General Public License version 2
  * or later (GPLv2+) WITHOUT ANY WARRANTY.
  */
 
 #include <crm_internal.h>
 
 #include <crm/common/unittest_internal.h>
 
 static void
 bad_input(void **state) {
     assert_int_equal(crm_str_to_boolean(NULL, NULL), -1);
     assert_int_equal(crm_str_to_boolean("", NULL), -1);
     assert_int_equal(crm_str_to_boolean("blahblah", NULL), -1);
 }
 
 static void
 is_true(void **state) {
     int ret;
 
     assert_int_equal(crm_str_to_boolean("true", &ret), 1);
     assert_true(ret);
     assert_int_equal(crm_str_to_boolean("TrUe", &ret), 1);
     assert_true(ret);
     assert_int_equal(crm_str_to_boolean("on", &ret), 1);
     assert_true(ret);
     assert_int_equal(crm_str_to_boolean("ON", &ret), 1);
     assert_true(ret);
     assert_int_equal(crm_str_to_boolean("yes", &ret), 1);
     assert_true(ret);
     assert_int_equal(crm_str_to_boolean("yES", &ret), 1);
     assert_true(ret);
     assert_int_equal(crm_str_to_boolean("y", &ret), 1);
     assert_true(ret);
     assert_int_equal(crm_str_to_boolean("Y", &ret), 1);
     assert_true(ret);
     assert_int_equal(crm_str_to_boolean("1", &ret), 1);
     assert_true(ret);
 
     // Ensure it still validates the string with a NULL result argument
     assert_int_equal(crm_str_to_boolean("true", NULL), 1);
     assert_int_equal(crm_str_to_boolean("on", NULL), 1);
     assert_int_equal(crm_str_to_boolean("yes", NULL), 1);
     assert_int_equal(crm_str_to_boolean("y", NULL), 1);
     assert_int_equal(crm_str_to_boolean("1", NULL), 1);
 }
 
 static void
 is_not_true(void **state) {
     assert_int_equal(crm_str_to_boolean("truedat", NULL), -1);
     assert_int_equal(crm_str_to_boolean("onnn", NULL), -1);
     assert_int_equal(crm_str_to_boolean("yep", NULL), -1);
     assert_int_equal(crm_str_to_boolean("Y!", NULL), -1);
     assert_int_equal(crm_str_to_boolean("100", NULL), -1);
 }
 
 static void
 is_false(void **state) {
     int ret;
 
     assert_int_equal(crm_str_to_boolean("false", &ret), 1);
     assert_false(ret);
     assert_int_equal(crm_str_to_boolean("fAlSe", &ret), 1);
     assert_false(ret);
     assert_int_equal(crm_str_to_boolean("off", &ret), 1);
     assert_false(ret);
     assert_int_equal(crm_str_to_boolean("OFF", &ret), 1);
     assert_false(ret);
     assert_int_equal(crm_str_to_boolean("no", &ret), 1);
     assert_false(ret);
     assert_int_equal(crm_str_to_boolean("No", &ret), 1);
     assert_false(ret);
     assert_int_equal(crm_str_to_boolean("n", &ret), 1);
     assert_false(ret);
     assert_int_equal(crm_str_to_boolean("N", &ret), 1);
     assert_false(ret);
     assert_int_equal(crm_str_to_boolean("0", &ret), 1);
     assert_false(ret);
 
     // Ensure it still validates the string with a NULL result argument
     assert_int_equal(crm_str_to_boolean("false", NULL), 1);
     assert_int_equal(crm_str_to_boolean("off", NULL), 1);
     assert_int_equal(crm_str_to_boolean("no", NULL), 1);
     assert_int_equal(crm_str_to_boolean("n", NULL), 1);
     assert_int_equal(crm_str_to_boolean("0", NULL), 1);
 }
 
 static void
 is_not_false(void **state) {
     assert_int_equal(crm_str_to_boolean("falseee", NULL), -1);
     assert_int_equal(crm_str_to_boolean("of", NULL), -1);
     assert_int_equal(crm_str_to_boolean("nope", NULL), -1);
     assert_int_equal(crm_str_to_boolean("N!", NULL), -1);
     assert_int_equal(crm_str_to_boolean("000", NULL), -1);
 }
 
 PCMK__UNIT_TEST(NULL, NULL,
                 cmocka_unit_test(bad_input),
                 cmocka_unit_test(is_true),
                 cmocka_unit_test(is_not_true),
                 cmocka_unit_test(is_false),
                 cmocka_unit_test(is_not_false))
diff --git a/lib/common/tests/strings/pcmk__btoa_test.c b/lib/common/tests/strings/pcmk__btoa_test.c
index 870b31823e..f7dee9ee78 100644
--- a/lib/common/tests/strings/pcmk__btoa_test.c
+++ b/lib/common/tests/strings/pcmk__btoa_test.c
@@ -1,22 +1,22 @@
 /*
- * Copyright 2020-2024 the Pacemaker project contributors
+ * Copyright 2020-2021 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
  * This source code is licensed under the GNU General Public License version 2
  * or later (GPLv2+) WITHOUT ANY WARRANTY.
  */
 
 #include <crm_internal.h>
 
 #include <crm/common/unittest_internal.h>
 
 static void
 btoa(void **state) {
     assert_string_equal(pcmk__btoa(false), "false");
     assert_string_equal(pcmk__btoa(true), "true");
     assert_string_equal(pcmk__btoa(1 == 0), "false");
 }
 
 PCMK__UNIT_TEST(NULL, NULL,
                 cmocka_unit_test(btoa))