selftests: team: Add shared library scripts to TEST_INCLUDES

In order to avoid duplicated files when both the team and bonding tests are
exported together, add lag_lib.sh to TEST_INCLUDES.

Do likewise for net/forwarding/lib.sh regarding team and forwarding tests.

Reviewed-by: Petr Machata <[e-mail]>
Tested-by: Petr Machata <[e-mail]>
Reviewed-by: Hangbin Liu <[e-mail]>
Signed-off-by: Benjamin Poirier <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

tools/testing/selftests/drivers/net/team/Makefile

···
 
 TEST_PROGS := dev_addr_lists.sh
 
-TEST_FILES := \
-	lag_lib.sh \
-	net_forwarding_lib.sh
+TEST_INCLUDES := \
+	../bonding/lag_lib.sh \
+	../../../net/forwarding/lib.sh
 
 include ../../../lib.mk

tools/testing/selftests/drivers/net/team/dev_addr_lists.sh

···
 REQUIRE_MZ=no
 NUM_NETIFS=0
 lib_dir=$(dirname "$0")
-source "$lib_dir"/net_forwarding_lib.sh
+source "$lib_dir"/../../../net/forwarding/lib.sh
 
-source "$lib_dir"/lag_lib.sh
+source "$lib_dir"/../bonding/lag_lib.sh
 
 
 destroy()