Add example Unity Project

Example Unity Project/Library/PackageCache/com.unity.sysroot.linux-x86_64@2.0.4/Tests/.tests.json

@@ -0,0 +1,3 @@
+{
+	"createSeparatePackage": false
+}

Example Unity Project/Library/PackageCache/com.unity.sysroot.linux-x86_64@2.0.4/Tests/Editor.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: a4ba451dcf348469cb1fd6802655fd98
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Example Unity Project/Library/PackageCache/com.unity.sysroot.linux-x86_64@2.0.4/Tests/Editor/EditorExampleTest.cs

@@ -0,0 +1,22 @@
+using UnityEngine;
+using UnityEditor;
+using UnityEngine.TestTools;
+using NUnit.Framework;
+using System.Collections;
+
+class EditorExampleTest {
+
+	[Test]
+	public void EditorSampleTestSimplePasses() {
+		// Use the Assert class to test conditions.
+	}
+
+	// A UnityTest behaves like a coroutine in PlayMode
+	// and allows you to yield null to skip a frame in EditMode
+	[UnityTest]
+	public IEnumerator EditorSampleTestWithEnumeratorPasses() {
+		// Use the Assert class to test conditions.
+		// yield to skip a frame
+		yield return null;
+	}
+}

Example Unity Project/Library/PackageCache/com.unity.sysroot.linux-x86_64@2.0.4/Tests/Editor/EditorExampleTest.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: edfedf42930fc4907869a6fde0ba5ba7
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Example Unity Project/Library/PackageCache/com.unity.sysroot.linux-x86_64@2.0.4/Tests/Editor/Unity.Sysroot.Linux-x86_64.EditorTests.asmdef

@@ -0,0 +1,21 @@
+{
+    "name": "Unity.Sysroot.Linux_x86_64.EditorTests",
+    "references": [
+        "Unity.SysrootPackage.Editor",
+        "Unity.Sysroot.Linux.x86_64"
+    ],
+    "optionalUnityReferences": [
+        "TestAssemblies"
+    ],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "versionDefines": [
+        {
+            "name": "Unity",
+            "expression": "(0,2022.1.23f1)",
+            "define": "IL2CPP_LEGACY_API_PRESENT"
+        }
+    ]
+}

Example Unity Project/Library/PackageCache/com.unity.sysroot.linux-x86_64@2.0.4/Tests/Editor/Unity.Sysroot.Linux-x86_64.EditorTests.asmdef.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 1ac444c25ae4642a2b37c1c9156d384f
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: