tests DOC doxygen header
diff --git a/tests/utests/basic/test_common.c b/tests/utests/basic/test_common.c
index 75235a2..46b80ab 100644
--- a/tests/utests/basic/test_common.c
+++ b/tests/utests/basic/test_common.c
@@ -1,4 +1,4 @@
-/*
+/**
  * @file test_common.c
  * @author: Radek Krejci <rkrejci@cesnet.cz>
  * @brief unit tests for functions from common.c
diff --git a/tests/utests/basic/test_context.c b/tests/utests/basic/test_context.c
index 800a714..cfba1d3 100644
--- a/tests/utests/basic/test_context.c
+++ b/tests/utests/basic/test_context.c
@@ -1,4 +1,4 @@
-/*
+/**
  * @file test_context.c
  * @author: Radek Krejci <rkrejci@cesnet.cz>
  * @brief unit tests for functions from context.c
diff --git a/tests/utests/basic/test_hash_table.c b/tests/utests/basic/test_hash_table.c
index 3e07bef..d823051 100644
--- a/tests/utests/basic/test_hash_table.c
+++ b/tests/utests/basic/test_hash_table.c
@@ -1,4 +1,4 @@
-/*
+/**
  * @file test_hash_table.c
  * @author: Radek Krejci <rkrejci@cesnet.cz>
  * @brief unit tests for functions from hash_table.c
diff --git a/tests/utests/basic/test_json.c b/tests/utests/basic/test_json.c
index 2778f7b..e6774d4 100644
--- a/tests/utests/basic/test_json.c
+++ b/tests/utests/basic/test_json.c
@@ -1,4 +1,4 @@
-/*
+/**
  * @file test_json.c
  * @author: Radek Krejci <rkrejci@cesnet.cz>
  * @brief unit tests for a generic JSON parser
diff --git a/tests/utests/basic/test_plugins.c b/tests/utests/basic/test_plugins.c
index 7f3fe40..de13c0b 100644
--- a/tests/utests/basic/test_plugins.c
+++ b/tests/utests/basic/test_plugins.c
@@ -1,4 +1,4 @@
-/*
+/**
  * @file test_plugins.c
  * @author: Radek Krejci <rkrejci@cesnet.cz>
  * @brief unit tests for functions from set.c
diff --git a/tests/utests/basic/test_set.c b/tests/utests/basic/test_set.c
index af39afa..9485927 100644
--- a/tests/utests/basic/test_set.c
+++ b/tests/utests/basic/test_set.c
@@ -1,4 +1,4 @@
-/*
+/**
  * @file test_set.c
  * @author: Radek Krejci <rkrejci@cesnet.cz>
  * @brief unit tests for functions from set.c
diff --git a/tests/utests/basic/test_xml.c b/tests/utests/basic/test_xml.c
index 668de4b..071846a 100644
--- a/tests/utests/basic/test_xml.c
+++ b/tests/utests/basic/test_xml.c
@@ -1,4 +1,4 @@
-/*
+/**
  * @file test_xml.c
  * @author: Radek Krejci <rkrejci@cesnet.cz>
  * @brief unit tests for functions from xml.c