Added a script that sets up env vars and runs the tests in place.

Makefile

@@ -38,11 +38,7 @@ uninstall:
 	done
 
 check:
-	@for f in bin/*; do \
-		export PATH=$$f:$$PATH; \
-	done
-	@export LD_PRELOAD=$$PWD/lib/libxbps.so
-	@kyua test -k tests/xbps/Kyuafile
+	@./run-tests
 
 clean:
 	@for dir in $(SUBDIRS); do		\

run-tests

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+for f in bin/*; do
+	export PATH=$PWD/$f:$PATH
+done
+export LD_PRELOAD=$PWD/lib/libxbps.so
+kyua test -k tests/xbps/Kyuafile