Finilazed file rest api

tests/fileservice_test.ts

@@ -83,8 +83,8 @@ Deno.test('DenoKVFileService happy path xxx ', async (t) => {
     });
 
     await t.step('Delete File', async () => {
-        await fs.deleteByPath(fileName1);
-        await fs.deleteByPath('404 not found');
+        await fs.deleteById(file1!.id);
+        await fs.deleteById('404 not found');
     });
 
     await t.step('List after delete', async () => {
@@ -106,7 +106,7 @@ Deno.test('DenoKVFileService happy path xxx ', async (t) => {
     await t.step('Rename file', async () => {
         const newPath = 'boris/file2.txt';
         const ret = await fs.renameById(file2!.id, newPath);
-        assertEquals(ret?.path, newPath);
+        assertEquals(ret!.path, newPath);
 
         assertEquals(
             new TextDecoder().decode((await fs.getRawContentByPath(newPath))!),