Prefire basic implementation (#1743)

* prefire basic implementation

force the unit tests to run on iPhone 14

skipping plugin validation

archive artifacts

better workflow

removed the OS restriction

lfs

custom stencil

new test file

deleting

* git lfs

* lfs

* test

* customised the stencil to support our internal protocol

* for now we can remove the OS check from the stencil

* added a delay

* tests have been moved

* improvement

* recommit

* perceptual precision lowered

* updated snapshot testing and selected also iOS version

* added ios version control

UnitTests/SupportingFiles/target.yml

@@ -28,9 +28,14 @@ targets:
   UnitTests:
     type: bundle.unit-test
     platform: iOS
+    
+    buildToolPlugins:
+    - plugin: PrefireTestsPlugin
+      package: Prefire
 
     dependencies:
     - target: ElementX
+    - package: SnapshotTesting
 
     info:
       path: ../SupportingFiles/Info.plist
@@ -44,6 +49,8 @@ targets:
 
     sources:
     - path: ../Sources
+      excludes:
+        - "**/__Snapshots__/**"
     - path: ../SupportingFiles
     - path: ../../ElementX/Sources/Other/InfoPlistReader.swift
     - path: ../../Tools/Scripts/Templates/SimpleScreenExample/Tests/Unit