Test for non-existent XSD

internal/premis/config_test.go

@@ -1,6 +1,7 @@
 package premis_test
 
 import (
+	"fmt"
 	"testing"
 
 	"gotest.tools/v3/assert"
@@ -17,6 +18,12 @@ func TestConfig(t *testing.T) {
 		config  *premis.Config
 		wantErr string
 	}
+
+	// Non-existent XSD path.
+	badXSDfs := fs.NewDir(t, "", fs.WithFile("missing.xsd", ""))
+	badXSDPath := badXSDfs.Join("missing.xsd")
+	badXSDfs.Remove()
+
 	for _, tt := range []test{
 		{
 			name: "Passes validation (disabled)",
@@ -35,9 +42,9 @@ func TestConfig(t *testing.T) {
 			name: "Fails validation (missing XSD file)",
 			config: &premis.Config{
 				Enabled: true,
-				XSDPath: "/fake/path/to.xsd",
+				XSDPath: badXSDPath,
 			},
-			wantErr: "xsdPath in [validatePremis] not found: stat /fake/path/to.xsd: no such file or directory",
+			wantErr: fmt.Sprintf("xsdPath in [validatePremis] not found: stat %s: no such file or directory", badXSDPath),
 		},
 		{
 			name: "Passes validation (enabled)",