fix(f3): use the correct context in tests (#12582)

Author: Stebalien

itests/f3_test.go

@@ -265,12 +265,12 @@ func setupWithStaticManifest(t *testing.T, manif *manifest.Manifest, testBootstr
 	m, err := n1.F3GetManifest(ctx)
 	require.NoError(t, err)
 
-	e := &testEnv{m: m, t: t, testCtx: context.Background()}
+	e := &testEnv{m: m, t: t, testCtx: ctx}
 	// in case we want to use more full-nodes in the future
 	e.minerFullNodes = []*kit.TestFullNode{&n1, &n2, &n3}
 
 	// create manifest sender and connect to full-nodes
-	e.ms = e.newManifestSender(context.Background(), t, manifestServerHost, blocktime)
+	e.ms = e.newManifestSender(ctx, t, manifestServerHost, blocktime)
 	for _, n := range e.minerFullNodes {
 		err = n.NetConnect(ctx, e.ms.PeerInfo())
 		require.NoError(t, err)