test: check output from graphsync

Make sure we actually get the right file.

test/dependencies/go.mod

@@ -5,24 +5,26 @@ go 1.13
 require (
 	github.com/Kubuxu/gocovmerge v0.0.0-20161216165753-7ecaa51963cd
 	github.com/golangci/golangci-lint v1.18.0
+	github.com/ipfs/go-blockservice v0.1.2
 	github.com/ipfs/go-cid v0.0.5
 	github.com/ipfs/go-cidutil v0.0.2
-	github.com/ipfs/go-datastore v0.4.1
+	github.com/ipfs/go-datastore v0.4.4
 	github.com/ipfs/go-graphsync v0.0.4
 	github.com/ipfs/go-ipfs-blockstore v1.0.0
-	github.com/ipfs/go-log v0.0.1
+	github.com/ipfs/go-ipfs-exchange-offline v0.0.1
+	github.com/ipfs/go-log v1.0.2
+	github.com/ipfs/go-merkledag v0.3.1
+	github.com/ipfs/go-unixfs v0.2.4
 	github.com/ipfs/hang-fds v0.0.1
 	github.com/ipfs/iptb v1.4.0
-	github.com/ipfs/iptb-plugins v0.2.0
+	github.com/ipfs/iptb-plugins v0.2.1
 	github.com/ipld/go-ipld-prime v0.0.2-0.20191108012745-28a82f04c785
 	github.com/jbenet/go-random v0.0.0-20190219211222-123a90aedc0c
 	github.com/jbenet/go-random-files v0.0.0-20190219210431-31b3f20ebded
-	github.com/libp2p/go-libp2p v0.3.0
-	github.com/libp2p/go-libp2p-core v0.2.0
-	github.com/multiformats/go-multiaddr v0.0.4
-	github.com/multiformats/go-multiaddr-net v0.0.1
+	github.com/libp2p/go-libp2p v0.5.2
+	github.com/libp2p/go-libp2p-core v0.3.1
+	github.com/multiformats/go-multiaddr v0.2.0
+	github.com/multiformats/go-multiaddr-net v0.1.2
 	github.com/multiformats/go-multihash v0.0.13
-	github.com/ultraware/funlen v0.0.2 // indirect
-	golang.org/x/tools v0.0.0-20190912185636-87d9f09c5d89 // indirect
 	gotest.tools/gotestsum v0.3.5
 )