chore: apply feedback suggestions

Co-authored-by: Marcin Rataj <lidel@lidel.org>

gateway/gateway_test.go

@@ -150,7 +150,7 @@ func TestHeaders(t *testing.T) {
 		dagCborRoots = dirRoots + "," + dagCborCID
 	)
 
-	t.Run("Control-Cache-Immutable is not immutable for directories", func(t *testing.T) {
+	t.Run("Cache-Control is not immutable on generated /ipfs/  HTML dir listings", func(t *testing.T) {
 		req := mustNewRequest(t, http.MethodGet, ts.URL+"/ipfs/"+root.String()+"/", nil)
 		res := mustDoWithoutRedirect(t, req)
 
@@ -163,7 +163,7 @@ func TestHeaders(t *testing.T) {
 		}
 	})
 
-	t.Run("ETag contains expected values", func(t *testing.T) {
+	t.Run("ETag is based on CID and response format", func(t *testing.T) {
 		test := func(responseFormat string, path string, format string, args ...any) {
 			t.Run(responseFormat, func(t *testing.T) {
 				url := ts.URL + path

gateway/handler.go

@@ -188,7 +188,9 @@ type requestData struct {
 	resolvedPath *ImmutablePath
 }
 
-func (rq *requestData) maybeResolvedPath() ImmutablePath {
+// mostlyResolvedPath is an opportunistic optimization that returns the mostly resolved version of ImmutablePath available.
+// It does not guarantee it is fully resolved, nor that it is the original.
+func (rq *requestData) mostlyResolvedPath() ImmutablePath {
 	if rq.resolvedPath != nil {
 		return *rq.resolvedPath
 	}