add initial version of test-protocol template

.github/ISSUE_TEMPLATE/test-protocol.md

@@ -0,0 +1,55 @@
+---
+name: Test protocol
+about: Document a manual testing cycle
+---
+
+# Test details
+
+* Tested ACM Module Version: {e.g. 1.1.5}
+* Github release: {Link to GH release}
+* Test execution date: {2025-07-29}
+* Tester: {@your-Github-user}
+
+# Test protocol
+
+The detailed test flow is explained in our internal documentation.
+
+## Pre-requisites
+
+- [ ] Configure System Landscape and Formations in BTP Cockpit
+- [ ] Access to Back Office and Storefront possible
+
+## Test flow:
+
+### 1. Register events in Back office
+
+ - [ ] Passed
+ - [ ] Failed
+
+     Link to Github issue: {GH link}
+
+### 2. Prepare serverless function in Kyma
+
+ - [ ] Passed
+ - [ ] Failed
+
+     Link to Github issue: {GH link}
+
+### 3. Trigger an event in EC
+
+ - [ ] Passed
+ - [ ] Failed
+
+     Link to Github issue: {GH link}
+
+### 3. Verify event was delivered and API called
+
+ - [ ] Passed
+ - [ ] Failed
+
+     Link to Github issue: {GH link}
+
+## Cleanup
+
+- [ ] In the Backoffice, delete the created Destination Target and Customer.
+- [ ] In BTP delete the System and the Formation.