Add test case for #33

test/test-0.1.x-0.4.x.js

   RNFetchBlob.fetch('DELETE', `${TEST_SERVER_URL}/hey`)
   .then((resp) => {
     report(
-      <Assert key="check DELETE request result" expect={'man'} actual={resp.text()}/>,
+      <Assert key="check DELETE request result" expect={'man'} actual={resp.text()}/>)
       done()
   })
 })

test/test-init.js

 // test environment variables
 
 prop('FILENAME', `${Platform.OS}-0.5.0-${Date.now()}.png`)
-prop('TEST_SERVER_URL', 'http://192.168.16.70:8123')
-prop('TEST_SERVER_URL_SSL', 'https://192.168.16.70:8124')
+prop('TEST_SERVER_URL', 'http://192.168.0.11:8123')
+prop('TEST_SERVER_URL_SSL', 'https://192.168.0.11:8124')
 prop('DROPBOX_TOKEN', 'fsXcpmKPrHgAAAAAAAAAoXZhcXYWdgLpQMan6Tb_bzJ237DXhgQSev12hA-gUXt4')
 prop('styles', {
   image : {