diff --git a/test/unit/mdns/test_mdns.c b/test/unit/mdns/test_mdns.c
index 223520c1..ca9be64e 100644
--- a/test/unit/mdns/test_mdns.c
+++ b/test/unit/mdns/test_mdns.c
@@ -42,6 +42,7 @@ START_TEST(readname_basic)
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -60,6 +61,7 @@ START_TEST(readname_anydata)
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -78,6 +80,7 @@ START_TEST(readname_short_buf)
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -89,18 +92,20 @@ START_TEST(readname_short_buf)
 END_TEST
 
 START_TEST(readname_long_label)
-{  static const u8_t data[] = {
+{
+  static const u8_t data[] = {
       0x05, 'm', 'u', 'l', 't', 'i',
       0x52, 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a',
       'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a',
       'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a',
       'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a',
       'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a',
-      'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 0x00,
+      'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 0x00
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -151,11 +156,12 @@ START_TEST(readname_overflow)
       0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't',
       0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't',
       0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't',
-      0x00,
+      0x00
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -172,14 +178,15 @@ START_TEST(readname_jump_earlier)
       /* Some padding needed, not supported to jump to bytes containing dns header */
       /*  0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
       /* 10 */ 0x0f, 0x0e, 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xab,
-      /* 20 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x0c,
+      /* 20 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x0c
   };
   static const u8_t fullname[] = {
-      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00,
+      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -200,14 +207,15 @@ START_TEST(readname_jump_earlier_jump)
       /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
       /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x03, 0x0b, 0x0a, 0xf2,
       /* 0x10 */ 0x04, 'c', 'a', 's', 't', 0x00, 0xc0, 0x10,
-      /* 0x18 */ 0x05, 'm', 'u', 'l', 't', 'i', 0xc0, 0x16,
+      /* 0x18 */ 0x05, 'm', 'u', 'l', 't', 'i', 0xc0, 0x16
   };
   static const u8_t fullname[] = {
-      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00,
+      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -231,16 +239,17 @@ START_TEST(readname_jump_maxdepth)
       /* 0x18 */ 0x03, 'd', 'n', 's', 0xc0, 0x10, 0xc0, 0x10,
       /* 0x20 */ 0x04, 'd', 'e', 'e', 'p', 0xc0, 0x18, 0x00,
       /* 0x28 */ 0x04, 'c', 'a', 's', 't', 0xc0, 0x20, 0xb0,
-      /* 0x30 */ 0x05, 'm', 'u', 'l', 't', 'i', 0xc0, 0x28,
+      /* 0x30 */ 0x05, 'm', 'u', 'l', 't', 'i', 0xc0, 0x28
   };
   static const u8_t fullname[] = {
       0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't',
       0x04, 'd', 'e', 'e', 'p', 0x03, 'd', 'n', 's',
-      0x04, 'n', 'a', 'm', 'e', 0x00,
+      0x04, 'n', 'a', 'm', 'e', 0x00
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -258,14 +267,15 @@ START_TEST(readname_jump_later)
 {
   static const u8_t data[] = {
       /* 0x00 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x10, 0x00, 0x01, 0x40,
-      /* 0x10 */ 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xab,
+      /* 0x10 */ 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xab
   };
   static const u8_t fullname[] = {
-      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00,
+      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -282,11 +292,12 @@ END_TEST
 START_TEST(readname_half_jump)
 {
   static const u8_t data[] = {
-      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0,
+      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -300,11 +311,12 @@ END_TEST
 START_TEST(readname_jump_toolong)
 {
   static const u8_t data[] = {
-      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc2, 0x10, 0x00, 0x01, 0x40,
+      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc2, 0x10, 0x00, 0x01, 0x40
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -319,11 +331,12 @@ START_TEST(readname_jump_loop_label)
 {
   static const u8_t data[] = {
       /*  0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-      /* 10 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x10,
+      /* 10 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x10
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -338,11 +351,12 @@ START_TEST(readname_jump_loop_jump)
 {
   static const u8_t data[] = {
       /*  0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-      /* 10 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x15,
+      /* 10 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x15
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -358,6 +372,7 @@ START_TEST(add_label_basic)
   static const u8_t data[] = { 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00 };
   struct mdns_domain domain;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   memset(&domain, 0, sizeof(domain));
   res = mdns_domain_add_label(&domain, "multi", 5);
@@ -376,6 +391,7 @@ START_TEST(add_label_long_label)
   static const char *toolong = "abcdefghijklmnopqrstuvwxyz0123456789-abcdefghijklmnopqrstuvwxyz0123456789-abcdefghijklmnopqrstuvwxyz0123456789-";
   struct mdns_domain domain;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   memset(&domain, 0, sizeof(domain));
   res = mdns_domain_add_label(&domain, "multi", 5);
@@ -390,6 +406,7 @@ START_TEST(add_label_full)
   static const char *label = "0123456789abcdef0123456789abcdef";
   struct mdns_domain domain;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   memset(&domain, 0, sizeof(domain));
   res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label));
@@ -437,10 +454,11 @@ END_TEST
 START_TEST(domain_eq_basic)
 {
   static const u8_t data[] = {
-      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00,
+      0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00
   };
   struct mdns_domain domain1, domain2;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   memset(&domain1, 0, sizeof(domain1));
   res = mdns_domain_add_label(&domain1, "multi", 5);
@@ -467,6 +485,7 @@ START_TEST(domain_eq_diff)
 {
   struct mdns_domain domain1, domain2;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   memset(&domain1, 0, sizeof(domain1));
   res = mdns_domain_add_label(&domain1, "multi", 5);
@@ -492,6 +511,7 @@ START_TEST(domain_eq_case)
 {
   struct mdns_domain domain1, domain2;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   memset(&domain1, 0, sizeof(domain1));
   res = mdns_domain_add_label(&domain1, "multi", 5);
@@ -519,6 +539,7 @@ START_TEST(domain_eq_anydata)
   static const u8_t data2[] = { 0x7f, 0x8c, 0x01, 0xff, 0xcf };
   struct mdns_domain domain1, domain2;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   memset(&domain1, 0, sizeof(domain1));
   res = mdns_domain_add_label(&domain1, (const char*)data1, sizeof(data1));
@@ -548,6 +569,7 @@ START_TEST(domain_eq_length)
 {
   struct mdns_domain domain1, domain2;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   memset(&domain1, 0, sizeof(domain1));
   memset(domain1.name, 0xAA, sizeof(MDNS_DOMAIN_MAXLEN));
@@ -578,6 +600,7 @@ START_TEST(compress_full_match)
   u16_t offset;
   u16_t length;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -612,6 +635,7 @@ START_TEST(compress_full_match_subset)
   u16_t offset;
   u16_t length;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -641,13 +665,14 @@ START_TEST(compress_full_match_jump)
     /* 0x00 */ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
     /* 0x10 */ 0x04, 'l', 'w', 'i', 'p', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xc0, 0x00, 0x02, 0x00,
-    /* 0x20 */ 0x06, 'f', 'o', 'o', 'b', 'a', 'r', 0xc0, 0x15,
+    /* 0x20 */ 0x06, 'f', 'o', 'o', 'b', 'a', 'r', 0xc0, 0x15
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
   u16_t length;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -682,6 +707,7 @@ START_TEST(compress_no_match)
   u16_t offset;
   u16_t length;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -715,6 +741,7 @@ START_TEST(compress_2nd_label)
   u16_t offset;
   u16_t length;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -749,6 +776,7 @@ START_TEST(compress_2nd_label_short)
   u16_t offset;
   u16_t length;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -778,13 +806,14 @@ START_TEST(compress_jump_to_jump)
       /* 0x00 */ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                  0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
       /* 0x10 */ 0x04, 'l', 'w', 'i', 'p', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xc0, 0x00, 0x02, 0x00,
-      /* 0x20 */ 0x07, 'b', 'a', 'n', 'a', 'n', 'a', 's', 0xc0, 0x15,
+      /* 0x20 */ 0x07, 'b', 'a', 'n', 'a', 'n', 'a', 's', 0xc0, 0x15
   };
   struct pbuf *p;
   struct mdns_domain domain;
   u16_t offset;
   u16_t length;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;
@@ -824,6 +853,7 @@ START_TEST(compress_long_match)
   u16_t offset;
   u16_t length;
   err_t res;
+  LWIP_UNUSED_ARG(_i);
 
   p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM);
   p->payload = (void *)(size_t)data;