[FAB-5859] Add fabric-test to Vagrantfile

This change allows for the ease of syncing the
fabric-test repo in the vagrant environment.

Change-Id: I6ffeb7f4051bab72d9a3ec59cf34380f9947ed33
Signed-off-by: Latitia M Haskins <latitia.haskins@gmail.com>

devenv/Vagrantfile

@@ -47,6 +47,9 @@ Vagrant.configure('2') do |config|
   if File.exist?("../../fabric-ca")
     config.vm.synced_folder "../../fabric-ca", "/opt/gopath/src/github.com/hyperledger/fabric-ca"
   end
+  if File.exist?("../../fabric-test")
+    config.vm.synced_folder "../../fabric-test", "/opt/gopath/src/github.com/hyperledger/fabric-test"
+  end
 
   config.vm.provider :virtualbox do |vb|
     vb.name = "hyperledger"