Change test cases

test/test-0.5.2.js

 describe('POST request with params', (report, done) => {
   let time = Date.now()
   RNFetchBlob.config({ fileCache : true })
-    .fetch('POST', encodeURI(`${TEST_SERVER_URL}/params?time=${time}&name=RNFetchBlobParams&lang=中文`), {}, RNFetchBlob.base64.encode('123'))
+    .fetch('POST', encodeURI(`${TEST_SERVER_URL}/params?time=${time}&name=RNFetchBlobParams&lang=中文`),
+    {
+      'Content-Type' : 'image/png;BASE64'
+    }, RNFetchBlob.base64.encode('123'))
     .then((resp) => {
       let file = resp.path()
       return RNFetchBlob.fs.readStream(resp.path(), 'utf8')

test/test-0.6.2.js

   .config({fileCache : true})
   .fetch('GET', `${TEST_SERVER_URL}/public/beethoven.mp3`)
   .then((resp) => {
-    return RNFetchBlob.fetch('POST', `${TEST_SERVER_URL}/mime`, null, [
+    return RNFetchBlob.fetch('POST', `${TEST_SERVER_URL}/mime`, {
+      'Content-Type' : 'multipart/form-data'
+    }, [
       { name : 'image', filename : 'image', type : 'image/jpeg', data : RNFetchBlob.base64.encode('123456') },
       { name : 'mp3', filename : 'mp3', type : 'application/mp3', data : RNFetchBlob.base64.encode('123456') },
       { name : 'mp3', filename : 'mp3', data : RNFetchBlob.base64.encode('123456') },

test/test-0.7.0.js

   RNFetchBlob.config({
     fileCache : true
   })
-  .fetch('GET', `${TEST_SERVER_URL}/public/22mb-dummy`)
+  .fetch('GET', `${TEST_SERVER_URL}/public/1mb-dummy`)
   .progress((now, total) => {
     if(begin === -1)
       begin = Date.now()
       report(<Assert key="task cancelled rejection should be catachable"
         expect={true}
         actual={true}/>)
+      done()
     })
 
 })

test/test-0.9.0.js

 const describe = RNTest.config({
   group : '0.9.0',
   run : true,
-  expand : true,
+  expand : false,
   timeout : 20000,
 })
 const { TEST_SERVER_URL, TEST_SERVER_URL_SSL, FILENAME, DROPBOX_TOKEN, styles } = prop()

test/test-0.9.2.js

 })
 
 describe('Upload multipart/form-data', (report, done) => {
-
+  let image = RNTest.prop('image')
   RNFetchBlob.fetch('POST', `${TEST_SERVER_URL}/upload-form`, {
       Authorization : "Bearer fsXcpmKPrHgAAAAAAAAAEGxFXwhejXM_E8fznZoXPhHbhbNhA-Lytbe6etp1Jznz",
       'Content-Type' : 'multipart/form-data',
     }, [
-      // { name : 'test-img', filename : 'test-img.png', data: image},
-      // { name : 'test-text', filename : 'test-text.txt', data: RNFetchBlob.base64.encode('hello.txt')},
+      { name : 'test-img', filename : 'test-img.png', data: image},
+      { name : 'test-text', filename : 'test-text.txt', data: RNFetchBlob.base64.encode('hello.txt')},
       { name : 'field1', data : 'hello !!'},
       { name : 'field2', data : 'hello2 !!'}
     ])

test/test-firebase.js

 } from 'react-native';
 
 const fs = RNFetchBlob.fs
-const Blob = RNFetchBlob.polyfill.Blob
 
 window.XMLHttpRequest = RNFetchBlob.polyfill.XMLHttpRequest
-window.Blob = Blob
+window.Blob = RNFetchBlob.polyfill.Blob
 
 const { Assert, Comparer, Info, prop } = RNTest
 const describe = RNTest.config({
   databaseURL: "https://rnfb-test-app.firebaseio.com",
   storageBucket: "rnfb-test-app.appspot.com",
 };
-firebase.initializeApp(config);
+
 
 describe('firebase login', (report, done) => {
 
+  firebase.initializeApp(config);
   firebase.auth().signInWithEmailAndPassword('xeiyan@gmail.com', 'rnfbtest1024')
     .catch((err) => {
       console.log('firebase sigin failed', err)

test/test-fs.js

   Text,
   View,
   ScrollView,
+  Platform,
   Dimensions,
   Image,
 } from 'react-native';
 
 let { TEST_SERVER_URL, FILENAME, DROPBOX_TOKEN, styles, image } = prop()
 let dirs = RNFetchBlob.fs.dirs
+let prefix = ((Platform.OS === 'android') ? 'file://' : '')
 
 describe('Get storage folders', (report, done) => {
   report(