test: add test_race target to Makefile

This builds go binaries using the -race flag
and then runs all the tests.

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>

test/Makefile

@@ -45,6 +45,11 @@ test_cheap:
 	cd sharness && make
 	cd 3nodetest && make
 
+test_race:
+	cd sharness && make GOFLAGS=-race TEST_EXPENSIVE=1
+	cd 3nodetest && make GOFLAGS=-race
+	cd dependencies && make GOFLAGS=-race
+
 IPFS-BUILD-OPTIONS: FORCE
 	@bin/checkflags '$@' '$(GOFLAGS)' '*** new Go flags ***'