Solution: make use of custom Unity macros

Solution: call bind_loopback_tipc where applicable

Solution: call bind_loopback_ipc where applicable

Solution: call bind_loopback_ipv4 where applicable

Solution: rename to more meaningful name

Solution: remove s_send(more) and replace all uses

Solution: define setUp/tearDown functions via SETUP_TEARDOWN_TESTCONTEXT macro where possible

Solution: use bind_loopback_ipv4 instead

Problem: removing header from testutil.hpp breaks unittest build with…

Solution: include unistd.h in unittest_poller.cpp

Migrate testutil* to Unity, and build testutil as separate library

Solution: add documentation

Solution: remove from header and declare as static

Solution: remove and add where needed

Solution: convert streq/strneq into functions

Solution: remove declaration and make functions static

Solution: use unity assertions instead

Solution: remove redundant entries

Solution: move test utilities to separate testutil library

Solution: migrate to Unity

Solution: migrate to Unity

Solution: migrate to Unity

Solution: migrate to Unity

Solution: migrate to Unity

Solution: migrate to Unity

Solution: migrate to Unity

Solution: migrate to Unity

Solution: use move target instead

Solution: migrate to Unity

Solution: check for failure and do not access any members afterwards

Solution: use test context instead

Solution: migrate to Unity

Migration of further tests & test utilities to Unity

Solution: migrate to unity and adapt users

Solution: use standard TEST_ASSERT_SUCCESS_ERRNO macro instead

Solution: migrate to unity and adapt users

Solution: use appropriate test assertion macro

Solution: migrate to unity

Problem: TCP and UDP test sockets use hard-coded port

Validate group before using it