Added preferred simulator check, so no tests pass if simulator for sc…

…heme is not iPhone 8 iOS 14.5. Same for recording.

Library/TestHelpers/TestCase.swift

@@ -65,6 +65,8 @@ internal class TestCase: XCTestCase {
       userDefaults: self.userDefaults,
       uuidType: self.uuidType
     )
+
+    self.preferredSimulatorCheck()
   }
 
   override func tearDown() {
@@ -81,4 +83,13 @@ internal class TestCase: XCTestCase {
 
     waitForExpectations(timeout: 0.01)
   }
+
+  internal func preferredSimulatorCheck() {
+    let supportedModels = ["iPhone10,1", "iPhone10,4"] // iPhone 8
+    let modelKey = "SIMULATOR_MODEL_IDENTIFIER"
+
+    guard #available(iOS 14.5, *), supportedModels.contains(ProcessInfo().environment[modelKey] ?? "") else {
+      fatalError("Please only test and record screenshots on an iPhone 8 simulator running iOS 14.5")
+    }
+  }
 }