test_seq: Clean up after each test case

Free all allocated memory to avoid false-positive leak reports.
Resolves:

    ==11106==ERROR: LeakSanitizer: detected memory leaks

    Indirect leak of 12288 byte(s) in 3 object(s) allocated from:
        #0 0x7f92a1347f1e in __interceptor_realloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x10df1e)
        #1 0x7f92a1207065 in __mctp_realloc /home/andrew/src/openbmc/libmctp/alloc.c:48
        #2 0x7f92a1201979 in mctp_msg_ctx_add_pkt /home/andrew/src/openbmc/libmctp/core.c:213
        #3 0x7f92a1204a09 in mctp_bus_rx /home/andrew/src/openbmc/libmctp/core.c:383
        #4 0x55ff747e1655 in mctp_binding_test_rx_raw tests/test-utils.c:50
        #5 0x55ff747df302 in run_one_test tests/test_seq.c:122
        #6 0x55ff747df6d6 in main tests/test_seq.c:141
        #7 0x7f92a06b21e2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x271e2)

    Indirect leak of 2208 byte(s) in 4 object(s) allocated from:
        #0 0x7f92a1347ae8 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x10dae8)
        #1 0x7f92a1206cf0 in __mctp_alloc /home/andrew/src/openbmc/libmctp/alloc.c:28
        #2 0x7f92a1201edc in mctp_init /home/andrew/src/openbmc/libmctp/core.c:234
        #3 0x55ff747e1738 in mctp_test_stack_init tests/test-utils.c:63
        #4 0x55ff747def62 in run_one_test tests/test_seq.c:111
        #5 0x55ff747df6d6 in main tests/test_seq.c:141
        #6 0x7f92a06b21e2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x271e2)

    Indirect leak of 224 byte(s) in 4 object(s) allocated from:
        #0 0x7f92a1347ae8 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x10dae8)
        #1 0x7f92a1206cf0 in __mctp_alloc /home/andrew/src/openbmc/libmctp/alloc.c:28
        #2 0x55ff747e1169 in mctp_binding_test_init tests/test-utils.c:27
        #3 0x55ff747e17b1 in mctp_test_stack_init tests/test-utils.c:66
        #4 0x55ff747def62 in run_one_test tests/test_seq.c:111
        #5 0x55ff747df6d6 in main tests/test_seq.c:141
        #6 0x7f92a06b21e2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x271e2)

    Indirect leak of 160 byte(s) in 4 object(s) allocated from:
        #0 0x7f92a1347ae8 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x10dae8)
        #1 0x7f92a1206cf0 in __mctp_alloc /home/andrew/src/openbmc/libmctp/alloc.c:28
        #2 0x7f92a120255f in mctp_register_bus /home/andrew/src/openbmc/libmctp/core.c:277
        #3 0x55ff747e16eb in mctp_binding_test_register_bus tests/test-utils.c:56
        #4 0x55ff747e18d5 in mctp_test_stack_init tests/test-utils.c:69
        #5 0x55ff747def62 in run_one_test tests/test_seq.c:111
        #6 0x55ff747df6d6 in main tests/test_seq.c:141
        #7 0x7f92a06b21e2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x271e2)

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: I7fbc729740357eb89b679dd51bbf03d6735a75dc
diff --git a/tests/test_seq.c b/tests/test_seq.c
index 1fc5b8f..e99dc94 100644
--- a/tests/test_seq.c
+++ b/tests/test_seq.c
@@ -129,6 +129,9 @@
 	/* ensure the payload data was reconstructed correctly */
 	for (i = 0; i < (int)ctx->rx_len; i++)
 		assert(ctx->rx_data[i] == i);
+
+	mctp_binding_test_destroy(ctx->binding);
+	mctp_destroy(ctx->mctp);
 }