Make issue link direction visible

issue.go

@@ -231,9 +231,9 @@ type IssueLink struct {
 	ID           string        `json:"id"`
 	Self         string        `json:"self"`
 	Type         IssueLinkType `json:"type"`
-	OutwardIssue Issue         `json:"outwardIssue"`
-	InwardIssue  Issue         `json:"inwardIssue"`
-	Comment      Comment       `json:"comment"`
+	OutwardIssue *Issue        `json:"outwardIssue"`
+	InwardIssue  *Issue        `json:"inwardIssue"`
+	Comment      *Comment      `json:"comment"`
 }
 
 // IssueLinkType represents a type of a link between to issues in JIRA.

issue_test.go

@@ -94,13 +94,13 @@ func TestIssueAddLink(t *testing.T) {
 		Type: IssueLinkType{
 			Name: "Duplicate",
 		},
-		InwardIssue: Issue{
+		InwardIssue: &Issue{
 			Key: "HSP-1",
 		},
-		OutwardIssue: Issue{
+		OutwardIssue: &Issue{
 			Key: "MKY-1",
 		},
-		Comment: Comment{
+		Comment: &Comment{
 			Body: "Linked related issue!",
 			Visibility: CommentVisibility{
 				Type:  "group",