Refactor integration test DecodeJSON calls to use generic return value (#37432)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: wxiaoguang <2114189+wxiaoguang@users.noreply.github.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

tests/integration/links_test.go

@@ -145,8 +145,7 @@ func testLinksAsUser(t *testing.T) {
 
 	reqAPI := NewRequestf(t, "GET", "/api/v1/users/user2/repos")
 	respAPI := MakeRequest(t, reqAPI, http.StatusOK)
-	var apiRepos []*api.Repository
-	DecodeJSON(t, respAPI, &apiRepos)
+	apiRepos := DecodeJSON(t, respAPI, []*api.Repository{})
 	repoLinks := []string{
 		"",
 		"/issues",