integration: fix perfsprint linting

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

integration/failpoint/cmd/runc-fp/main.go

@@ -20,6 +20,7 @@ package main
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"os"
 	"os/exec"
@@ -99,7 +100,7 @@ func failpointProfileFromOCIAnnotation() (invokerInterceptor, error) {
 
 	profileName, ok := spec.Annotations[failpointProfileKey]
 	if !ok {
-		return nil, fmt.Errorf("failpoint profile is required")
+		return nil, errors.New("failpoint profile is required")
 	}
 
 	fp, ok := failpointProfiles[profileName]

internal/cri/server/restart.go

@@ -477,7 +477,7 @@ func cleanupOrphanedIDDirs(ctx context.Context, cntrs []containerd.Container, ba
 
 func (c *criService) createContainerIO(containerID, sandboxID string, config *runtime.ContainerConfig) (*cio.ContainerIO, error) {
 	if config == nil {
-		return nil, errors.New("ContainerConfig should not be nil when create container io")
+		return nil, errors.New("ContainerConfig must not be nil when creating container IO")
 	}
 	sb, err := c.sandboxStore.Get(sandboxID)
 	if err != nil {