Address linter

solver.go

@@ -92,10 +92,11 @@ func (s *solverWrapperImpl) Solve(
 	startSolutions ...Solution,
 ) (SolutionChannel, error) {
 	start := ctx.Value(run.Start).(time.Time)
-	ctx, _ = context.WithDeadline(
+	ctx, cancel := context.WithDeadline(
 		ctx,
 		start.Add(solveOptions.Duration),
 	)
+	defer cancel()
 	interpretedSolveOptions := SolveOptions{
 		Iterations: solveOptions.Iterations,
 		Duration:   solveOptions.Duration,

solver_parallel.go

@@ -70,10 +70,11 @@ func (p *parallelSolverWrapperImpl) Solve(
 	startSolutions ...Solution,
 ) (SolutionChannel, error) {
 	start := ctx.Value(run.Start).(time.Time)
-	ctx, _ = context.WithDeadline(
+	ctx, cancel := context.WithDeadline(
 		ctx,
 		start.Add(solveOptions.Duration),
 	)
+	defer cancel()
 
 	interpretedParallelSolveOptions := ParallelSolveOptions{
 		Iterations:           solveOptions.Iterations,

tests/custom_matrices/main.go

@@ -8,9 +8,9 @@ import (
 
 	"github.com/nextmv-io/nextroute"
 	"github.com/nextmv-io/nextroute/check"
-	"github.com/nextmv-io/nextroute/common"
 	"github.com/nextmv-io/nextroute/factory"
 	"github.com/nextmv-io/nextroute/schema"
+	"github.com/nextmv-io/sdk/common"
 	"github.com/nextmv-io/sdk/run"
 	runSchema "github.com/nextmv-io/sdk/run/schema"
 )

tests/golden/main_test.go

@@ -7,8 +7,6 @@ import (
 	"github.com/nextmv-io/sdk/golden"
 )
 
-const templateName = "nextroute"
-
 func TestMain(m *testing.M) {
 	cleanUp()
 	golden.CopyFile("../../cmd/main.go", "main.go")

tests/output_options/main_test.go

@@ -7,8 +7,6 @@ import (
 	"github.com/nextmv-io/sdk/golden"
 )
 
-const templateName = "nextroute"
-
 func TestMain(m *testing.M) {
 	cleanUp()
 	golden.CopyFile("../../cmd/main.go", "main.go")