test(lyrics): fix lyrics tests after parser consolidation

- Rewrite the YAML-fallback test to assert the correct design: a
  non-Lyricsfile .yaml sidecar returns as plain text and shadows
  lower-priority sources (rather than falling through to .lrc).
- Add LibraryPath + relative Path split to the three subsonic tests
  that read sidecar files via storage.For(), so they resolve against
  the correct fixtures directory.
- Register a no-op extractor in api_suite_test.go BeforeSuite so
  newLocalStorage does not fatal when storage.For is called during
  sidecar-lyrics tests.

server/subsonic/api_suite_test.go

@@ -1,9 +1,13 @@
 package subsonic
 
 import (
+	"io/fs"
 	"testing"
 
+	"github.com/navidrome/navidrome/consts"
+	"github.com/navidrome/navidrome/core/storage/local"
 	"github.com/navidrome/navidrome/log"
+	"github.com/navidrome/navidrome/model/metadata"
 	"github.com/navidrome/navidrome/tests"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
@@ -15,3 +19,16 @@ func TestSubsonicApi(t *testing.T) {
 	RegisterFailHandler(Fail)
 	RunSpecs(t, "Subsonic API Suite")
 }
+
+// newLocalStorage fatals if the default extractor is not registered.
+// Register a no-op so storage.For works in sidecar-lyrics tests.
+var _ = BeforeSuite(func() {
+	local.RegisterExtractor(consts.DefaultScannerExtractor, func(fs.FS, string) local.Extractor {
+		return &subsonicNoopExtractor{}
+	})
+})
+
+type subsonicNoopExtractor struct{}
+
+func (e *subsonicNoopExtractor) Parse(_ ...string) (map[string]metadata.Info, error) { return nil, nil }
+func (e *subsonicNoopExtractor) Version() string                                     { return "noop" }

server/subsonic/lyrics_test.go

@@ -2,6 +2,7 @@ package subsonic
 
 import (
 	"encoding/json"
+	"path/filepath"
 
 	"github.com/navidrome/navidrome/conf"
 	"github.com/navidrome/navidrome/conf/configtest"
@@ -202,13 +203,16 @@ var _ = Describe("GetLyricsBySongId", func() {
 		conf.Server.LyricsPriority = ".ttml,embedded"
 		r := newGetRequest("id=1")
 
+		fixturesDir, err := filepath.Abs("tests/fixtures")
+		Expect(err).ToNot(HaveOccurred())
 		mockRepo.SetData(model.MediaFiles{
 			{
-				ID:     "1",
-				Path:   "tests/fixtures/test.mp3",
-				Artist: "Rick Astley",
-				Title:  "Never Gonna Give You Up",
-				Lyrics: "[]",
+				ID:          "1",
+				LibraryPath: fixturesDir,
+				Path:        "test.mp3",
+				Artist:      "Rick Astley",
+				Title:       "Never Gonna Give You Up",
+				Lyrics:      "[]",
 			},
 		})
 
@@ -255,13 +259,16 @@ var _ = Describe("GetLyricsBySongId", func() {
 		conf.Server.LyricsPriority = ".ttml,embedded"
 		r := newGetRequest("id=1&enhanced=true")
 
+		fixturesDir, err := filepath.Abs("tests/fixtures")
+		Expect(err).ToNot(HaveOccurred())
 		mockRepo.SetData(model.MediaFiles{
 			{
-				ID:     "1",
-				Path:   "tests/fixtures/test-metadata.mp3",
-				Artist: "Rick Astley",
-				Title:  "Never Gonna Give You Up",
-				Lyrics: "[]",
+				ID:          "1",
+				LibraryPath: fixturesDir,
+				Path:        "test-metadata.mp3",
+				Artist:      "Rick Astley",
+				Title:       "Never Gonna Give You Up",
+				Lyrics:      "[]",
 			},
 		})
 

server/subsonic/media_retrieval_test.go

@@ -8,6 +8,7 @@ import (
 	"errors"
 	"io"
 	"net/http/httptest"
+	"path/filepath"
 	"slices"
 	"time"
 
@@ -164,12 +165,15 @@ var _ = Describe("MediaRetrievalController", func() {
 		})
 		It("should return lyric file when finding mediafile with no embedded lyrics but present on filesystem", func() {
 			r := newGetRequest("artist=Rick+Astley", "title=Never+Gonna+Give+You+Up")
+			fixturesDir, err := filepath.Abs("tests/fixtures")
+			Expect(err).ToNot(HaveOccurred())
 			mockRepo.SetData(model.MediaFiles{
 				{
-					Path:   "tests/fixtures/test.mp3",
-					ID:     "1",
-					Artist: "Rick Astley",
-					Title:  "Never Gonna Give You Up",
+					LibraryPath: fixturesDir,
+					Path:        "test.mp3",
+					ID:          "1",
+					Artist:      "Rick Astley",
+					Title:       "Never Gonna Give You Up",
 				},
 			})
 			response, err := router.GetLyrics(r)