monitor command takes no args

rm extra new line

fix lint errors

return after close

fix, simplify test

api/agent.go

@@ -244,7 +244,6 @@ type MonitorFrame struct {
 // Monitor returns a channel which will receive streaming logs from the agent
 // Providing a non-nil stopCh can be used to close the connection and stop log streaming
 func (a *Agent) Monitor(stopCh <-chan struct{}, q *QueryOptions) (<-chan *StreamFrame, <-chan error) {
-
 	errCh := make(chan error, 1)
 	r, err := a.client.newRequest("GET", "/v1/agent/monitor")
 	if err != nil {

api/agent_test.go

@@ -1,7 +1,6 @@
 package api
 
 import (
-	"bytes"
 	"fmt"
 	"reflect"
 	"sort"
@@ -320,7 +319,6 @@ func TestAgent_MonitorWithNode(t *testing.T) {
 	require.NoError(t, err)
 
 	// Wait for a log message
-	var result bytes.Buffer
 OUTER:
 	for {
 		select {