diff --git a/tests/mocs.c b/tests/mocs.c
index c2605d3..4c84383 100644
--- a/tests/mocs.c
+++ b/tests/mocs.c
@@ -8,13 +8,18 @@
 #endif
 
 void tftp_cleanup(void) {
+    dprint("tftp_cleanup\n");
 }
 uint32_t logger_get_timestamp(void) {
+    dprint("logger_get_timestamp\n");
+
     return 0;
 }
 
 int tftp_init(struct tftp_context* context) {
     UNUSED(context);
+
+    dprint("tftp_init\n");
     return 0;
 }
 
@@ -70,6 +75,7 @@ void lcd_draw_gif(uint8_t* gif_buff, size_t len, uint32_t x_pos, uint32_t y_pos)
 }
 
 struct tcp_pcb* tcp_new(void) {
+    dprint("tcp_new\n");
     return NULL;
 }
 
@@ -77,48 +83,68 @@ err_t tcp_bind(void* pcb, void* ipaddr, uint16_t port) {
     UNUSED(pcb);
     UNUSED(ipaddr);
     UNUSED(port);
+
+    dprint("tcp_bind @ %d\n", port);
     return ERR_OK;
 }
 
 struct tcp_pcb* tcp_listen(void* pcb) {
     UNUSED(pcb);
+
+    dprint("tcp_listen\n");
     return NULL;
 }
 
 void tcp_accept(void* pcb, tcp_accept_fn arg) {
     UNUSED(pcb);
     UNUSED(arg);
+
+    dprint("tcp_accept\n");
 }
 
 void tcp_arg(void* pcb, void* arg) {
     UNUSED(pcb);
     UNUSED(arg);
+
+    dprint("tcp_arg\n");
 }
 void tcp_sent(void* pcb, void* arg) {
     UNUSED(pcb);
     UNUSED(arg);
+
+    dprint("tcp_sent\n");
 }
 void tcp_recv(void* pcb, tcp_recv_fn arg) {
     UNUSED(pcb);
     UNUSED(arg);
+
+    dprint("tcp_recv\n");
 }
 
 void tcp_setprio(void* pcb, uint8_t prio) {
     UNUSED(pcb);
     UNUSED(prio);
+
+    dprint("tcp_setprio\n");
 }
 void tcp_err(void* pcb, void* err) {
     UNUSED(pcb);
     UNUSED(err);
+
+    dprint("tcp_err\n");
 }
 void tcp_poll(void* pcb, void* poll, uint8_t interval) {
     UNUSED(pcb);
     UNUSED(poll);
     UNUSED(interval);
+
+    dprint("tcp_poll\n");
 }
 
 void tcp_close(void* pcb) {
     UNUSED(pcb);
+
+    dprint("tcp_close\n");
 }
 
 void tcp_write(void* pcb, const char* data, size_t len, uint8_t apiflags) {
@@ -132,20 +158,28 @@ void tcp_write(void* pcb, const char* data, size_t len, uint8_t apiflags) {
 
 void tcp_output(void* pcb) {
     UNUSED(pcb);
+
+    dprint("tcp_output\n");
 }
 
 void tcp_recved(void* pcb, uint16_t len) {
     UNUSED(pcb);
     UNUSED(len);
+
+    dprint("tcp_recved\n");
 }
 
 size_t tcp_sndbuf(void* pcb) {
     UNUSED(pcb);
+
+    dprint("tcp_sndbuf\n");
     return 0;
 }
 
 void pbuf_free(struct pbuf* p) {
     UNUSED(p);
+
+    dprint("pbuf_free\n");
 }
 
 uint16_t pbuf_copy_partial(const struct pbuf* buf, void* dataptr, uint16_t len, uint16_t offset) {