Merge pull request circleci#3624 from circleci/testing-orbs-updated-080619

Update testing-orbs.md

Author: thomasr8

jekyll/_cci2/testing-orbs.md

@@ -180,3 +180,8 @@ In all cases, CircleCI recommends that you make use of the CircleCI CLI to valid
 For advanced testing, you may also want to use a shell unit testing framework such as BATS.
 
 ## See Also
+
+- Refer to [Orbs Concepts]({{site.baseurl}}/2.0/using-orbs/) for high-level information about CircleCI orbs.
+- Refer to [Orb Publishing Process]({{site.baseurl}}/2.0/creating-orbs/) for information about orbs that you may use in your workflows and jobs.
+- Refer to [Orbs Reference]({{site.baseurl}}/2.0/reusing-config/) for examples of reusable orbs, commands, parameters, and executors.
+- Refer to [Configuration Cookbook]({{site.baseurl}}/2.0/configuration-cookbook/#configuration-recipes) for more detailed information about how you can use CircleCI orb recipes in your configurations.