runtime: pkg: fix govet fieldalignment

Fix structures alignment

Signed-off-by: Julio Montes <julio.montes@intel.com>

src/runtime/pkg/utils/utils_test.go

@@ -57,6 +57,7 @@ func TestEnsureDir(t *testing.T) {
 	assert.NoError(err)
 	defer os.RemoveAll(tmpdir)
 
+	// nolint: govet
 	testCases := []struct {
 		before func()
 		path   string