tests: around 60% code coverage for config package

config/env.go

@@ -75,6 +75,8 @@ func GetApp(apps AppFiles, name AppName) (App, error) {
 	return app, nil
 }
 
+// TODO: maybe better names than read and get
+
 func readAppFile(appFile AppFile, name AppName) (App, error) {
 	env, err := readEnv(appFile.Path)
 	if err != nil {