diff --git a/unittest/libmariadb/CMakeLists.txt b/unittest/libmariadb/CMakeLists.txt
index e3ba18b8..bbf10bbd 100644
--- a/unittest/libmariadb/CMakeLists.txt
+++ b/unittest/libmariadb/CMakeLists.txt
@@ -26,7 +26,7 @@ INCLUDE_DIRECTORIES(${CC_SOURCE_DIR}/include
                     ${CC_SOURCE_DIR}/unittest/libmariadb)
 ADD_DEFINITIONS(-DLIBMARIADB)
 
-SET(API_TESTS "conc336" "bulk1" "performance" "basic-t" "fetch" "charset" "logs" "cursor" "errors" "view" "ps" "ps_bugs" "sp" "result" "connection" "misc" "ps_new" "thread" "features-10_2" "bulk1")
+SET(API_TESTS "conc336" "bulk1" "performance" "basic-t" "fetch" "charset" "logs" "cursor" "errors" "view" "ps" "ps_bugs" "sp" "result" "connection" "misc" "ps_new" "thread" "features-10_2")
 IF(WITH_DYNCOL)
   SET(API_TESTS ${API_TESTS} "dyncol")
 ENDIF()
diff --git a/unittest/libmariadb/t_conc173.c b/unittest/libmariadb/t_conc173.c
index 0bcaebcc..f180c39e 100644
--- a/unittest/libmariadb/t_conc173.c
+++ b/unittest/libmariadb/t_conc173.c
@@ -31,9 +31,8 @@ static int test_conc_173(MYSQL *unused __attribute__((unused)))
 {
   MYSQL mysql;
   int arg;
-  int i=0;
 
-  for (;;)
+  for (int i = 0; i < 1000; i++)
   {
     mysql_init(&mysql);
     mysql_options(&mysql, MYSQL_READ_DEFAULT_GROUP, "client");