Add ForEachUITests

Author: Kyle-Ye

Example/OpenSwiftUIUITests/View/DynamicViewContent/ForEachUITests.swift

@@ -0,0 +1,40 @@
+//
+//  ForEachUITests.swift
+//  OpenSwiftUIUITests
+
+import Testing
+import SnapshotTesting
+
+@MainActor
+@Suite(.snapshots(record: .never, diffTool: diffTool))
+struct ForEachUITests {
+    @Test
+    func offset() {
+        struct ContentView: View {
+            var body: some View {
+                VStack(spacing: 0) {
+                    ForEach(0 ..< 6) { index in
+                        Color.red.opacity(Double(index) / 6.0 )
+                    }
+                }
+            }
+        }
+        openSwiftUIAssertSnapshot(of: ContentView())
+    }
+
+    @Test
+    func keyPath() {
+        struct ContentView: View {
+            let opacities = [0, 0.2, 0.4, 0.6, 0.8, 1.0]
+
+            var body: some View {
+                VStack(spacing: 0) {
+                    ForEach(opacities, id: \.self) { opacity in
+                        Color.red.opacity(opacity)
+                    }
+                }
+            }
+        }
+        openSwiftUIAssertSnapshot(of: ContentView())
+    }
+}