diff --git a/pages/API/get-file-system-manager/get-file-system-manager.test.js b/pages/API/get-file-system-manager/get-file-system-manager.test.js
index e4086ff8595e8f560acf6f26232d63bfd4d48487..9b2ef897493f15e21a299af51d63a33aa2b22e7f 100644
--- a/pages/API/get-file-system-manager/get-file-system-manager.test.js
+++ b/pages/API/get-file-system-manager/get-file-system-manager.test.js
@@ -1411,7 +1411,7 @@ describe('ExtApi-FileManagerTest', () => {
 		console.log('ftruncateFileTest', '7')
 	});
 
-	//testAppendFileBuffer 
+	//testAppendFileBuffer
 	it('testAppendFileBuffer', async () => {
 		if (!isAndroid()) {
 			return
@@ -1421,66 +1421,66 @@ describe('ExtApi-FileManagerTest', () => {
 		await btnWrite.tap()
 		await isDone()
 		let arrayBufferRes = await getData("arrayBufferRes")
-		expect(bytesWritten).toEqual(21)
+		expect(arrayBufferRes).toEqual(21)
 	});
-	
+
 	it('testAppendFileBufferSync', async () => {
 		if (!isAndroid()) {
 			return
 		}
-	
+
 		var btnWrite = await page.$('#btn-appendfilesync-buffer')
 		await btnWrite.tap()
 		await isDone()
 		let arrayBufferRes = await getData("arrayBufferRes")
-		expect(bytesWritten).toEqual(20)
+		expect(arrayBufferRes).toEqual(20)
 	});
-	
+
 	it('testWriteReadSyncBuffer', async () => {
 		if (!isAndroid()) {
 			return
 		}
-	
+
 		var btnWrite = await page.$('#btn-writereadsync-buffer')
 		await btnWrite.tap()
 		await isDone()
 		let arrayBufferRes = await getData("arrayBufferRes")
-		expect(bytesWritten).toEqual(1.11)
+		expect(arrayBufferRes).toEqual(1.11)
 	});
-	
+
 	it('testWriteReadBuffer', async () => {
 		if (!isAndroid()) {
 			return
 		}
-	
+
 		var btnWrite = await page.$('#btn-writeread-buffer')
 		await btnWrite.tap()
 		await isDone()
 		let arrayBufferRes = await getData("arrayBufferRes")
-		expect(bytesWritten).toEqual(1.24)
+		expect(arrayBufferRes).toEqual(1.24)
 	});
-	
+
 	it('testWriteReadFileSyncBuffer', async () => {
 		if (!isAndroid()) {
 			return
 		}
-	
+
 		var btnWrite = await page.$('#btn-writereadfilesync-buffer')
 		await btnWrite.tap()
 		await isDone()
 		let arrayBufferRes = await getData("arrayBufferRes")
-		expect(bytesWritten).toEqual(1.333)
+		expect(arrayBufferRes).toEqual(1.333)
 	});
-	
+
 	it('testReadFileBuffer', async () => {
 		if (!isAndroid()) {
 			return
 		}
-	
+
 		var btnWrite = await page.$('#btn-writereadfile-buffer')
 		await btnWrite.tap()
 		await isDone()
 		let arrayBufferRes = await getData("arrayBufferRes")
-		expect(bytesWritten).toEqual(1.2222222)
+		expect(arrayBufferRes).toEqual(1.2222222)
 	});
-});
\ No newline at end of file
+});