Spelling (#240)

* spelling: cartesian

* spelling: deferring

* spelling: marshal

pkg/common/cartesian_test.go

@@ -6,7 +6,7 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestCartisianProduct(t *testing.T) {
+func TestCartesianProduct(t *testing.T) {
 	assert := assert.New(t)
 	input := map[string][]interface{}{
 		"foo": {1, 2, 3, 4},

pkg/container/docker_run.go

@@ -422,7 +422,7 @@ func (cr *containerReference) copyDir(dstPath string, srcPath string) common.Exe
 				return err
 			}
 
-			// manually close here after each file operation; defering would cause each file close
+			// manually close here after each file operation; deferring would cause each file close
 			// to wait until all operations have completed.
 			f.Close()
 

pkg/runner/expression.go

@@ -183,7 +183,7 @@ func vmToJSON(vm *otto.Otto) {
 	toJSON := func(o interface{}) string {
 		rtn, err := json.MarshalIndent(o, "", "  ")
 		if err != nil {
-			logrus.Errorf("Unable to marsal: %v", err)
+			logrus.Errorf("Unable to marshal: %v", err)
 			return ""
 		}
 		return string(rtn)