fix(core): Fixed function call for fastPut in the test suite to ensure proper file upload handling.

test/test.ts

@@ -20,7 +20,10 @@ tap.test('should be able to access buckets', async () => {
   );
   const bucket = await smartbucketInstance.createBucket('testbucket');
   const baseDirectory = await bucket.getBaseDirectory();
-  await baseDirectory.fastStore('subdir/hello.txt', 'hi there!');
+  await baseDirectory.fastPut({
+    path: 'subdir/hello.txt',
+    contents: 'hi there!' 
+  });
 });
 
 tap.test('should stop the instance', async () => {