fix stream management for component + add test

component.go

@@ -108,7 +108,7 @@ func (c *Component) Connect() error {
 	}
 }
 
-func (c *Component) Resume() error {
+func (c *Component) Resume(SMState) error {
 	return errors.New("components do not support stream management")
 }
 

component_test.go

@@ -23,3 +23,10 @@ func TestHandshake(t *testing.T) {
 func TestGenerateHandshake(t *testing.T) {
 	// TODO
 }
+
+// Test that NewStreamManager can accept a Component.
+//
+// This validates that Component conforms to StreamClient interface.
+func TestStreamManager(t *testing.T) {
+	NewStreamManager(&Component{}, nil)
+}