Added integration tests

UnityProject/Assets/Zenject/OptionalExtras/IntegrationTests/Tests/Common/BarMono1.cs

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+using UnityEngine;
+using Zenject;
+
+namespace ModestTree
+{
+    public class BarMono1 : MonoBehaviour, IInitializable
+    {
+        public void Initialize()
+        {
+        }
+    }
+}

UnityProject/Assets/Zenject/OptionalExtras/IntegrationTests/Tests/Common/FooMono1.cs

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+using UnityEngine;
+using Zenject;
+
+namespace ModestTree
+{
+    public class FooMono1 : MonoBehaviour, IInitializable
+    {
+        public void Initialize()
+        {
+        }
+    }
+}

UnityProject/Assets/Zenject/OptionalExtras/IntegrationTests/Tests/Common/MonoInstallerTestFixture.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using UnityEngine;
+using Zenject;
+
+namespace ModestTree
+{
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
+    public class InstallerTestAttribute : Attribute
+    {
+    }
+
+    public abstract class MonoInstallerTestFixture : MonoBehaviour
+    {
+        protected DiContainer Container
+        {
+            get;
+            private set;
+        }
+
+        public void Start()
+        {
+            StartCoroutine(Run());
+        }
+
+        IEnumerator Run()
+        {
+            GlobalCompositionRoot.Instance.EnsureIsInitialized();
+
+            var testMethods = this.GetType().GetAllMethods(
+                BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
+                .Where(x => x.GetCustomAttributes(typeof(InstallerTestAttribute), false).Any()).ToList();
+
+            foreach (var method in testMethods)
+            {
+                var wrapper = new InstallerWrapper();
+                wrapper.InstallCallback = () =>
+                {
+                    Container = wrapper.GetContainer();
+                    method.Invoke(this, new object[0]);
+                };
+
+                var settings = new SceneCompositionRoot.StaticSettings()
+                {
+                    Installers = new List<IInstaller>() { wrapper },
+                    ParentNewObjectsUnderRoot = true,
+                    OnlyInjectWhenActive = true,
+                };
+
+                var oldRootObjects = this.gameObject.scene.GetRootGameObjects();
+
+                var root = SceneCompositionRoot.Instantiate(gameObject, settings);
+
+                // Wait a few frames to have it start up
+                yield return null;
+                yield return null;
+                yield return null;
+                yield return null;
+
+                GameObject.Destroy(root.gameObject);
+
+                foreach (Transform childTransform in this.gameObject.transform)
+                {
+                    GameObject.Destroy(childTransform.gameObject);
+                }
+
+                foreach (var obj in this.gameObject.scene.GetRootGameObjects().Except(oldRootObjects))
+                {
+                    GameObject.Destroy(obj);
+                }
+
+                yield return null;
+
+                Log.Trace("Installer Test '{0}' passed successfully", method.Name);
+            }
+
+            Log.Trace("All Installer Tests passed successfully");
+            IntegrationTest.Pass();
+        }
+
+        class InstallerWrapper : Installer
+        {
+            public Action InstallCallback;
+
+            public DiContainer GetContainer()
+            {
+                return Container;
+            }
+
+            public override void InstallBindings()
+            {
+                InstallCallback();
+            }
+        }
+    }
+}

UnityProject/Assets/Zenject/OptionalExtras/IntegrationTests/Tests/Common/Resources/BarMono1.prefab

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UnityProject/Assets/Zenject/OptionalExtras/IntegrationTests/Tests/Common/Resources/FooMonAndBarMono.prefab

@@ -0,0 +1,64 @@
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UnityProject/Assets/Zenject/OptionalExtras/IntegrationTests/Tests/Common/Resources/FooMono1.prefab

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