@@ -337,7 +337,7 @@ func TestLine(t *testing.T) {
337337 }
338338
339339 // Cleanup
340- line .Deregister ()
340+ _ = line .Deregister ()
341341 })
342342
343343 t .Run ("Register failure falls back to backup" , func (t * testing.T ) {
@@ -369,7 +369,7 @@ func TestLine(t *testing.T) {
369369 t .Error ("Expected line to be registered via backup" )
370370 }
371371
372- line .Deregister ()
372+ _ = line .Deregister ()
373373 })
374374
375375 t .Run ("Register all servers fail" , func (t * testing.T ) {
@@ -412,7 +412,9 @@ func TestLine(t *testing.T) {
412412 line := NewLine (core , nil , & LineConfig {
413413 PrimaryMobiusURLs : []string {server .URL + "/" },
414414 })
415- line .Register ()
415+ if err := line .Register (); err != nil {
416+ t .Fatalf ("Register failed: %v" , err )
417+ }
416418
417419 if err := line .Deregister (); err != nil {
418420 t .Fatalf ("Unexpected error: %v" , err )
@@ -443,14 +445,16 @@ func TestLine(t *testing.T) {
443445 line := NewLine (core , nil , & LineConfig {
444446 PrimaryMobiusURLs : []string {server .URL + "/" },
445447 })
446- line .Register ()
448+ if err := line .Register (); err != nil {
449+ t .Fatalf ("Register failed: %v" , err )
450+ }
447451
448452 // Second register should be no-op
449453 if err := line .Register (); err != nil {
450454 t .Fatalf ("Unexpected error on second register: %v" , err )
451455 }
452456
453- line .Deregister ()
457+ _ = line .Deregister ()
454458 })
455459
456460 t .Run ("GetDeviceInfo" , func (t * testing.T ) {
@@ -467,8 +471,10 @@ func TestLine(t *testing.T) {
467471 line := NewLine (core , nil , & LineConfig {
468472 PrimaryMobiusURLs : []string {server .URL + "/" },
469473 })
470- line .Register ()
471- defer line .Deregister ()
474+ if err := line .Register (); err != nil {
475+ t .Fatalf ("Register failed: %v" , err )
476+ }
477+ defer func () { _ = line .Deregister () }()
472478
473479 info := line .GetDeviceInfo ()
474480 if info == nil {
@@ -842,7 +848,7 @@ func TestCallingClient(t *testing.T) {
842848 t .Errorf ("Expected 1 line, got %d" , len (lines ))
843849 }
844850
845- cc .Shutdown ()
851+ _ = cc .Shutdown ()
846852 })
847853
848854 t .Run ("MakeCall with nil line" , func (t * testing.T ) {
@@ -942,7 +948,7 @@ func TestCallingClient(t *testing.T) {
942948 t .Errorf ("Expected 1 active call, got %d" , len (calls ))
943949 }
944950
945- cc .Shutdown ()
951+ _ = cc .Shutdown ()
946952 })
947953
948954 t .Run ("Shutdown" , func (t * testing.T ) {
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