diff --git a/tests/utests/extensions/test_metadata.c b/tests/utests/extensions/test_metadata.c
index ca5558c..163785b 100644
--- a/tests/utests/extensions/test_metadata.c
+++ b/tests/utests/extensions/test_metadata.c
@@ -125,7 +125,7 @@
             "<md:annotation name=\"aa\"/>\n"
             "</module>";
     assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, data, LYS_IN_YIN, NULL));
-    CHECK_LOG_CTX("Missing mandatory keyword \"type\" as a child of \"md:annotation\".", "/aa:{extension='md:annotation'}/aa");
+    CHECK_LOG_CTX("Missing mandatory keyword \"type\" as a child of \"md:annotation aa\".", "/aa:{extension='md:annotation'}/aa");
 
     /* not allowed substatement */
     data = "<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" xmlns:md=\"urn:ietf:params:xml:ns:yang:ietf-yang-metadata\" name=\"aa\">\n"
@@ -135,7 +135,7 @@
             "  <default value=\"x\"/>\n"
             "</md:annotation></module>";
     assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, data, LYS_IN_YIN, NULL));
-    CHECK_LOG_CTX("Invalid keyword \"default\" as a child of \"md:annotation\" extension instance.", "/aa:{extension='md:annotation'}/aa");
+    CHECK_LOG_CTX("Invalid keyword \"default\" as a child of \"md:annotation aa\" extension instance.", "/aa:{extension='md:annotation'}/aa");
 
     /* invalid cardinality of units substatement */
     data = "<module xmlns=\"urn:ietf:params:xml:ns:yang:yin:1\" xmlns:md=\"urn:ietf:params:xml:ns:yang:ietf-yang-metadata\" name=\"aa\">\n"
diff --git a/tests/utests/extensions/test_yangdata.c b/tests/utests/extensions/test_yangdata.c
index 02b50f1..7bf1cc6 100644
--- a/tests/utests/extensions/test_yangdata.c
+++ b/tests/utests/extensions/test_yangdata.c
@@ -210,8 +210,7 @@
             "import ietf-restconf {revision-date 2017-01-26; prefix rc;}"
             "rc:yang-data { container x { leaf x {type string;}}}}";
     assert_int_equal(LY_EVALID, lys_parse_mem(UTEST_LYCTX, data, LYS_IN_YANG, NULL));
-    CHECK_LOG_CTX("Extension plugin \"libyang 2 - yang-data, version 1\": "
-            "Extension rc:yang-data is instantiated without mandatory argument representing YANG data template name.",
+    CHECK_LOG_CTX("Extension instance \"rc:yang-data\" misses argument element \"name\".",
             "/a:{extension='rc:yang-data'}");
 
     data = "module a {yang-version 1.1; namespace urn:tests:extensions:yangdata:a; prefix self;"