Add firebase to test script

test.sh

@@ -39,6 +39,7 @@ node -e "var fs=require('fs'); var pkg = JSON.parse(fs.readFileSync('./RNFetchBl
 cd "${TEST_APP_PATH}"
 # npm install --save "${CWD}/src"
 npm install --save react-native-fetch-blob@0.7.0-dev.1
+npm install --save firebase
 rnpm link
 
 # copy android assets