Included first test for GitLab code preview

data/test-cases/plugins/gitlab/slash-commands-and-setup/code-preview.md

@@ -0,0 +1,44 @@
+---
+# (Required) Ensure all values are filled up
+name: "Code Preview"
+status: Active
+priority: Normal
+folder: Slash Commands and Setup
+authors: "@DHaussermann"
+team_ownership: []
+priority_p1_to_p4: P2 - Core Functions (Do core functions work?)
+
+# (Optional)
+location: null
+component: null
+tags: []
+labels: []
+tested_by_contributor: null
+
+# (Optional) Test type and tools
+cypress: null
+detox: null
+mmctl: null
+playwright: null
+rainforest: []
+manual_test_environments: []
+
+# Do not change
+id: null
+key: null
+created_on: null
+last_updated: null
+case_hashed: null
+steps_hashed: null
+---
+
+**Step 1**
+
+1. Ensure _Enable Code Previews:_ is set to Enable for Public Project
+2. Ensure the test user is connected to GitLab
+3. Post a valid code preview link that references one or more lines of code
+   ex: https://gitlab.com/dhaussermann/dkh-public/-/blob/286879ea66708b8cdda736d6b178d6722eb8d5ba/script.js#L11-L12
+
+**Expected**
+
+The Plugin will show a link to the file with project and file name. Below the link will be a code block showing the 2 lines of code specified.