Invoke eunit tests only for files in src directory
diff --git a/Makefile b/Makefile
index f67da07..e0ca0f2 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@
 eunit:
 	@echo "====================================================="
 	@echo "Running eunit tests..."
-	$(REBAR) eunit
+	$(REBAR) eunit --dir="src" 
 
 xref: all
 	$(REBAR) xref