Fix whitespace linter errors

Author: cschleiden

internal/sync/channel_test.go

@@ -210,7 +210,6 @@ func Test_Channel_Unbuffered(t *testing.T) {
 		{
 			name: "MultipleReceivesSends",
 			fn: func(t *testing.T, c *channel[int]) {
-
 				ctx := Background()
 				s := NewScheduler()
 

internal/tracing/tracing.go

@@ -11,7 +11,6 @@ import (
 
 func SpanWithStartTime(
 	ctx context.Context, tracer trace.Tracer, name string, spanID trace.SpanID, startTime time.Time, opts ...trace.SpanStartOption) trace.Span {
-
 	opts = append(opts, trace.WithTimestamp(startTime), trace.WithSpanKind(trace.SpanKindConsumer))
 	_, span := tracer.Start(ctx,
 		name,

tester/tester.go

@@ -714,7 +714,6 @@ func (wt *workflowTester[TResult]) scheduleActivity(wfi *core.WorkflowInstance,
 					),
 				)
 			}
-
 		} else {
 			executor := activity.NewExecutor(wt.logger, wt.tracer, wt.converter, wt.propagators, wt.registry)
 			activityResult, activityErr = executor.ExecuteActivity(context.Background(), &backend.ActivityTask{

tester/tester_timers_test.go

@@ -219,7 +219,6 @@ func Test_Timers_MultipleTimers(t *testing.T) {
 
 	wf := func(ctx workflow.Context) error {
 		for i := 0; i < 10; i++ {
-
 			tctx, cancel := workflow.WithCancel(ctx)
 			workflow.ScheduleTimer(tctx, time.Millisecond*10)
 			workflow.ExecuteActivity[string](ctx, workflow.DefaultActivityOptions, activity1).Get(ctx)