controller/vm: use context.Background() for Go 1.23 compat

CI uses oldstable (Go 1.23). t.Context() requires Go 1.24.

Signed-off-by: Shreyansh Sancheti <shreyanshjain7174@gmail.com>
Signed-off-by: Shreyansh Sancheti <shsancheti@microsoft.com>

Author: Shreyansh Sancheti

internal/controller/vm/vm_test.go

@@ -3,6 +3,7 @@
 package vm_test
 
 import (
+	"context"
 	"errors"
 	"strings"
 	"testing"
@@ -106,7 +107,7 @@ func TestTerminateVM(t *testing.T) {
 				tt.setupMock(mockUVM, mockGuest)
 			}
 
-			err := m.TerminateVM(t.Context())
+			err := m.TerminateVM(context.Background())
 
 			if tt.expectError {
 				if err == nil {
@@ -134,35 +135,35 @@ func TestGuardChecks(t *testing.T) {
 		errorContains string
 	}{
 		{"ExecIntoHost/NotCreated", vm.StateNotCreated, func(m *vm.Manager) error {
-			_, err := m.ExecIntoHost(t.Context(), &shimdiag.ExecProcessRequest{Args: []string{"ls"}})
+			_, err := m.ExecIntoHost(context.Background(), &shimdiag.ExecProcessRequest{Args: []string{"ls"}})
 			return err
 		}, "incorrect state"},
 		{"ExecIntoHost/Created", vm.StateCreated, func(m *vm.Manager) error {
-			_, err := m.ExecIntoHost(t.Context(), &shimdiag.ExecProcessRequest{Args: []string{"ls"}})
+			_, err := m.ExecIntoHost(context.Background(), &shimdiag.ExecProcessRequest{Args: []string{"ls"}})
 			return err
 		}, "incorrect state"},
 		{"ExecIntoHost/Terminated", vm.StateTerminated, func(m *vm.Manager) error {
-			_, err := m.ExecIntoHost(t.Context(), &shimdiag.ExecProcessRequest{Args: []string{"ls"}})
+			_, err := m.ExecIntoHost(context.Background(), &shimdiag.ExecProcessRequest{Args: []string{"ls"}})
 			return err
 		}, "incorrect state"},
 		{"DumpStacks/NotCreated", vm.StateNotCreated, func(m *vm.Manager) error {
-			_, err := m.DumpStacks(t.Context())
+			_, err := m.DumpStacks(context.Background())
 			return err
 		}, "incorrect state"},
 		{"DumpStacks/Terminated", vm.StateTerminated, func(m *vm.Manager) error {
-			_, err := m.DumpStacks(t.Context())
+			_, err := m.DumpStacks(context.Background())
 			return err
 		}, "incorrect state"},
 		{"Stats/NotCreated", vm.StateNotCreated, func(m *vm.Manager) error {
-			_, err := m.Stats(t.Context())
+			_, err := m.Stats(context.Background())
 			return err
 		}, "incorrect state"},
 		{"Stats/Created", vm.StateCreated, func(m *vm.Manager) error {
-			_, err := m.Stats(t.Context())
+			_, err := m.Stats(context.Background())
 			return err
 		}, "incorrect state"},
 		{"Wait/NotCreated", vm.StateNotCreated, func(m *vm.Manager) error {
-			return m.Wait(t.Context())
+			return m.Wait(context.Background())
 		}, "incorrect state"},
 		{"ExitStatus/NotCreated", vm.StateNotCreated, func(m *vm.Manager) error {
 			_, err := m.ExitStatus()
@@ -250,7 +251,7 @@ func TestExecIntoHost(t *testing.T) {
 				tt.setupMock(mockGuest)
 			}
 
-			exitCode, err := m.ExecIntoHost(t.Context(), tt.request)
+			exitCode, err := m.ExecIntoHost(context.Background(), tt.request)
 
 			if tt.expectError {
 				if err == nil {
@@ -308,7 +309,7 @@ func TestDumpStacks(t *testing.T) {
 				mockGuest.EXPECT().DumpStacks(gomock.Any()).Return(tt.expectResult, tt.dumpError)
 			}
 
-			result, err := m.DumpStacks(t.Context())
+			result, err := m.DumpStacks(context.Background())
 
 			if tt.expectError {
 				if err == nil {
@@ -399,7 +400,7 @@ func TestStartVM_IdempotentWhenRunning(t *testing.T) {
 	defer ctrl.Finish()
 	m, _, _ := newTestManager(t, ctrl, vm.StateRunning)
 
-	err := m.StartVM(t.Context(), &vm.StartOptions{})
+	err := m.StartVM(context.Background(), &vm.StartOptions{})
 	if err != nil {
 		t.Fatalf("expected nil for idempotent StartVM, got: %v", err)
 	}
@@ -425,7 +426,7 @@ func TestStartVM_ErrorWhenNotCreated(t *testing.T) {
 			defer ctrl.Finish()
 			m, _, _ := newTestManager(t, ctrl, tt.state)
 
-			err := m.StartVM(t.Context(), &vm.StartOptions{})
+			err := m.StartVM(context.Background(), &vm.StartOptions{})
 			if err == nil {
 				t.Errorf("expected error for StartVM in state %v", tt.state)
 			}