fixed tests

Author: Massimiliano Pippi

Diff for: arduino/cores/packagemanager/package_manager_test.go

@@ -20,6 +20,7 @@ package packagemanager_test
 import (
 	"fmt"
 	"net/url"
+	"os"
 	"testing"
 
 	"github.com/arduino/arduino-cli/arduino/cores"
@@ -213,7 +214,8 @@ func TestBoardOptionsFunctions(t *testing.T) {
 }
 
 func TestFindToolsRequiredForBoard(t *testing.T) {
-	configuration.Init(dataDir1.String())
+	os.Setenv("ARDUINO_DATA_DIR", dataDir1.String())
+	configuration.Init("")
 	fmt.Println(viper.AllSettings())
 	pm := packagemanager.NewPackageManager(
 		dataDir1,

Diff for: configuration/configuration.go

@@ -52,7 +52,7 @@ func Init(configPath string) {
 	viper.BindEnv("directories.Downloads", "ARDUINO_DOWNLOADS_DIR")
 	viper.BindEnv("directories.Data", "ARDUINO_DATA_DIR")
 
-	// Early access directories.Data and directories.Sketchbookin case
+	// Early access directories.Data and directories.Sketchbook in case
 	// those were set through env vars or cli flags
 	dataDir := viper.GetString("directories.Data")
 	if dataDir == "" {