tests: Move icmsg_buf tests to subsys/ipc

Move ipc service backend unit test from tests/lib to
tests/subsys directory.

Signed-off-by: Emil Obalski <[email protected]>

Author: Emil Obalski

tests/lib/icmsg/CMakeLists.txt renamed to tests/subsys/ipc/icmsg_buf/CMakeLists.txt

@@ -2,7 +2,7 @@
 
 cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
-project(icmsg)
+project(icmsg_buf)
 
 FILE(GLOB app_sources src/main.c)
 target_sources(app PRIVATE ${app_sources})

tests/lib/icmsg/prj.conf renamed to tests/subsys/ipc/icmsg_buf/prj.conf

@@ -1,5 +1,5 @@
 tests:
-  libraries.icmsg:
+  subsys.ipc.icmsg_buf:
     integration_platforms:
       - nrf5340dk_nrf5340_cpuapp
     platform_exclude: qemu_xtensa qemu_malta