Use dynamic pkgs cache dir for test suite

pkg/helpers/repository.go

@@ -17,6 +17,7 @@
 package helpers
 
 import (
+	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -44,9 +45,12 @@ func GetSystemRepoDatabaseDirPath() string {
 }
 
 func GetSystemPkgsCacheDirPath() (ans string) {
-	cachepath := "packages"
+	var cachepath string
 	if config.LuetCfg.GetSystem().PkgsCachePath != "" {
 		cachepath = config.LuetCfg.GetSystem().PkgsCachePath
+	} else {
+		// Create dynamic cache for test suites
+		cachepath, _ = ioutil.TempDir(os.TempDir(), "cachepkgs")
 	}
 
 	if filepath.IsAbs(cachepath) {

pkg/installer/installer_suite_test.go

@@ -28,5 +28,9 @@ import (
 func TestInstaller(t *testing.T) {
 	RegisterFailHandler(Fail)
 	LoadConfig(config.LuetCfg)
+	// Set temporary directory for rootfs
+	config.LuetCfg.GetSystem().Rootfs = "/tmp/luet-root"
+	// Force dynamic path for packages cache
+	config.LuetCfg.GetSystem().PkgsCachePath = ""
 	RunSpecs(t, "Installer Suite")
 }