MIM-2362 Provide path to compiled behaviours when compiling big_tests

Author: Andrzej Telezynski

big_tests/Makefile

@@ -100,7 +100,7 @@ console: $(PREPARE)
 	erl $(COMMON_OPTS) $(ADD_OPTS) -s run_common_test init
 
 compile: get-deps deps
-	$(RUN) $(REBAR) compile
+	@ERL_LIBS="../_build/prod/lib" $(RUN) $(REBAR) compile
 
 get-deps:
 	$(RUN) $(REBAR) deps