Bluetooth: Mesh: Friendship BabbleSim tests

Adds Friendship tests to the Bluetooth Mesh BabbleSim test suite. The
friendship tests cover all basic friend establishment and message
sending scenarios, including coverage for previous regressions, such
as #29544, #32033 and #30657.

Signed-off-by: Trond Einar Snekvik <[email protected]>

Author: trond-snekvik

tests/bluetooth/bsim_bt/bsim_test_mesh/CMakeLists.txt

@@ -16,6 +16,7 @@ target_sources(app PRIVATE
 	src/main.c
 	src/mesh_test.c
 	src/test_transport.c
+	src/test_friendship.c
 )
 
 zephyr_include_directories(

tests/bluetooth/bsim_bt/bsim_test_mesh/prj.conf

@@ -25,7 +25,12 @@ CONFIG_BT_MESH_RX_SEG_MAX=32
 CONFIG_BT_MESH_TX_SEG_MSG_COUNT=10
 CONFIG_BT_MESH_RX_SEG_MSG_COUNT=10
 CONFIG_BT_MESH_CFG_CLI=y
-CONFIG_BT_MESH_MODEL_GROUP_COUNT=2
+CONFIG_BT_MESH_MODEL_GROUP_COUNT=3
+CONFIG_BT_MESH_LOW_POWER=y
+CONFIG_BT_MESH_LPN_AUTO=n
+CONFIG_BT_MESH_FRIEND=y
+CONFIG_BT_MESH_FRIEND_ENABLED=n
+CONFIG_BT_MESH_FRIEND_LPN_COUNT=5
 CONFIG_BT_MESH_APP_KEY_COUNT=2
 CONFIG_BT_MESH_MODEL_KEY_COUNT=2
 CONFIG_BT_MESH_IV_UPDATE_TEST=y

tests/bluetooth/bsim_bt/bsim_test_mesh/src/main.c

@@ -9,9 +9,11 @@
 
 extern struct bst_test_list *
 test_transport_install(struct bst_test_list *tests);
+struct bst_test_list *test_friendship_install(struct bst_test_list *tests);
 
 bst_test_install_t test_installers[] = {
 	test_transport_install,
+	test_friendship_install,
 	NULL
 };