test: log: test message continuation

Provide a unit test checking that a continuation message will use the same
log level and log category as the previous message.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/test/log/Makefile b/test/log/Makefile
index 52e2f7b..fdf5295 100644
--- a/test/log/Makefile
+++ b/test/log/Makefile
@@ -13,7 +13,9 @@
 obj-$(CONFIG_LOG_SYSLOG) += syslog_test_ndebug.o
 endif
 
-ifndef CONFIG_LOG
+ifdef CONFIG_LOG
+obj-$(CONFIG_CONSOLE_RECORD) += cont_test.o
+else
 obj-$(CONFIG_CONSOLE_RECORD) += nolog_test.o
 endif