fix tests to use location instead of file.Reference

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

internal/config/config.go

@@ -80,7 +80,7 @@ func (cfg *Application) Build() error {
 	cfg.PresenterOpt = presenterOption
 
 	// set the source
-	scopeOption := source.ParseOption(cfg.Scope)
+	scopeOption := source.ParseScope(cfg.Scope)
 	if scopeOption == source.UnknownScope {
 		return fmt.Errorf("bad --scope value '%s'", cfg.Scope)
 	}