style: Stop -> Close() error for Closer interface

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>

epictest/addcat_test.go

@@ -104,6 +104,7 @@ func AddCatBytes(conf Config) error {
 		tn.VirtualNetwork(delay.Fixed(conf.NetworkLatency)), // TODO rename VirtualNetwork
 		mockrouting.NewServerWithDelay(delay.Fixed(conf.RoutingLatency)),
 	)
+	defer sessionGenerator.Close()
 
 	adder := sessionGenerator.Next()
 	catter := sessionGenerator.Next()

exchange/bitswap/testutils.go

@@ -37,8 +37,9 @@ type SessionGenerator struct {
 	cancel context.CancelFunc
 }
 
-func (g *SessionGenerator) Stop() {
+func (g *SessionGenerator) Close() error {
 	g.cancel()
+	return nil // for Closer interface
 }
 
 func (g *SessionGenerator) Next() Instance {