Add Pest related tests

content/authors/archtechx.md

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+---
+username: archtechx
+name: 'ARCHTECH'
+avatar: 'https://pbs.twimg.com/profile_images/1393303364390227974/uaP8Hoq1_normal.jpg'
+---

content/threads/pest-tips.md

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+---
+slug: pest-tips
+title: 'Pest Tips'
+tweet_id: 1427310302656438274
+author_username: archtechx
+created_at: 2021-08-16T19:09:23+02:00
+---

content/tips/create-a-using-helper.md

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+---
+title: 'Create a using() helper'
+tweet_id: 1426219050250772482
+thread_slug: pest-tips
+author_username: archtechx
+images:
+    - https://pbs.twimg.com/media/E8ryqTuWEAQT-1H.jpg
+created_at: 2021-08-16T19:09:24+02:00
+slug: create-a-using-helper
+---
+Create a using() helper to get perfect IDE support on $this calls inside your tests.

content/tips/create-helper-functions-for-creating-models-in-tests-using-factories.md

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+---
+title: 'Create helper functions for creating models in tests using factories'
+tweet_id: 1425833852480626694
+thread_slug: pest-tips
+author_username: archtechx
+images:
+    - https://pbs.twimg.com/media/E8mO3a5VEAAsjr1.jpg
+
+created_at: 2021-08-16T19:09:22+02:00
+slug: create-helper-functions-for-creating-models-in-tests-using-factories
+---
+For example:
+- invoice() to create an Invoice model
+- product() to create a Product model

content/tips/use-please-instead-of-using-using.md

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+---
+title: 'Use please() instead of using using()'
+tweet_id: 1426235640509865986
+thread_slug: pest-tips
+author_username: archtechx
+images:
+    - https://pbs.twimg.com/media/E8sBPPaXoAYJ9s6.png
+created_at: 2021-08-16T19:09:26+02:00
+slug: use-please-instead-of-using-using
+---
+Even nicer than using().