Add tests to test-project

test-project/Assets/Tests/PlayMode/SamplePlayModeTest.cs

@@ -0,0 +1,29 @@
+using System.Collections;
+using System.Collections.Generic;
+using NUnit.Framework;
+using UnityEngine;
+using UnityEngine.TestTools;
+
+namespace Tests
+{
+  public class SamplePlayModeTest
+  {
+    // A Test behaves as an ordinary method
+    [Test]
+    public void NewTestScriptSimplePasses()
+    {
+      // Use the Assert class to test conditions
+      Assert.True(true);
+    }
+
+    // A UnityTest behaves like a coroutine in Play Mode. In Edit Mode you can use
+    // `yield return null;` to skip a frame.
+    [UnityTest]
+    public IEnumerator NewTestScriptWithEnumeratorPasses()
+    {
+      // Use the Assert class to test conditions.
+      // Use yield to skip a frame.
+      yield return null;
+    }
+  }
+}