diff --git a/src/embed_tests/InitializeTest.cs b/src/embed_tests/InitializeTest.cs
new file mode 100644
index 000000000..a9667343c
--- /dev/null
+++ b/src/embed_tests/InitializeTest.cs
@@ -0,0 +1,22 @@
+using NUnit.Framework;
+using Python.Runtime;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Python.EmbeddingTest
+{
+    public class InitializeTest
+    {
+        [Test]
+        public static void Test()
+        {
+            PythonEngine.Initialize();
+            PythonEngine.Shutdown();
+
+            PythonEngine.Initialize();
+            PythonEngine.Shutdown();
+        }
+    }
+}
diff --git a/src/embed_tests/Python.EmbeddingTest.csproj b/src/embed_tests/Python.EmbeddingTest.csproj
index 24645f1bd..f2b4dce61 100644
--- a/src/embed_tests/Python.EmbeddingTest.csproj
+++ b/src/embed_tests/Python.EmbeddingTest.csproj
@@ -128,20 +128,23 @@
     <CodeAnalysisFailOnMissingRules>false</CodeAnalysisFailOnMissingRules>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="nunit.framework, Version=3.5.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\NUnit.3.5.0\lib\net40\nunit.framework.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core">
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
     </Reference>
-    <Reference Include="nunit.framework">
-      <HintPath>..\..\packages\NUnit.2.6.2\lib\nunit.framework.dll</HintPath>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <None Include="Embeddingtest.nunit" />
     <None Include="..\pythonnet.snk" />
     <None Include="packages.config" />
+    <None Include="pythonnet.snk" Condition="Exists('pythonnet.snk')" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="InitializeTest.cs" />
     <Compile Include="pyimport.cs" />
     <Compile Include="pyiter.cs">
       <SubType>Code</SubType>
@@ -172,6 +175,9 @@
       <Name>Python.Runtime</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
   <ProjectExtensions>
     <VisualStudio AllowExistingFolder="true" />
diff --git a/src/embed_tests/packages.config b/src/embed_tests/packages.config
index fdc687a35..7b9ec0c4c 100644
--- a/src/embed_tests/packages.config
+++ b/src/embed_tests/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-
 <packages>
-  <package id="NUnit" version="2.6.2" targetFramework="net40" />
-</packages>
+  <package id="NUnit" version="3.5.0" targetFramework="net40" />
+</packages>
\ No newline at end of file
diff --git a/src/embed_tests/pyimport.cs b/src/embed_tests/pyimport.cs
index 58da0ac13..c7a567bdf 100644
--- a/src/embed_tests/pyimport.cs
+++ b/src/embed_tests/pyimport.cs
@@ -3,6 +3,7 @@
 using System.Collections.Generic;
 using NUnit.Framework;
 using Python.Runtime;
+using System.IO;
 
 namespace Python.EmbeddingTest
 {
@@ -17,34 +18,19 @@ public void SetUp()
             PythonEngine.Initialize();
             gs = PythonEngine.AcquireLock();
 
-            //string here = Environment.CurrentDirectory;
-            //trunk\pythonnet\src\embed_tests\bin\x86\DebugWin
-
             /*
              * Append the tests directory to sys.path
              * using reflection to circumvent the private modifires placed on most Runtime methods.
              */
             const string s = @"../../../../tests";
 
-            Type RTClass = typeof(Runtime.Runtime);
-
-            /* pyStrPtr = PyString_FromString(s); */
-            MethodInfo PyString_FromString = RTClass.GetMethod("PyString_FromString",
-                BindingFlags.NonPublic | BindingFlags.Static);
-            object[] funcArgs = new object[1];
-            funcArgs[0] = s;
-            IntPtr pyStrPtr = (IntPtr)PyString_FromString.Invoke(null, funcArgs);
-
-            /* SysDotPath = sys.path */
-            MethodInfo PySys_GetObject = RTClass.GetMethod("PySys_GetObject",
-                BindingFlags.NonPublic | BindingFlags.Static);
-            funcArgs[0] = "path";
-            IntPtr SysDotPath = (IntPtr)PySys_GetObject.Invoke(null, funcArgs);
+            var testPath = Path.Combine(
+                TestContext.CurrentContext.TestDirectory, s
+                );
 
-            /* SysDotPath.append(*pyStrPtr) */
-            MethodInfo PyList_Append = RTClass.GetMethod("PyList_Append", BindingFlags.NonPublic | BindingFlags.Static);
-            funcArgs = new object[] { SysDotPath, pyStrPtr };
-            int r = (int)PyList_Append.Invoke(null, funcArgs);
+            IntPtr str = Runtime.Runtime.PyString_FromString(testPath);
+            IntPtr path = Runtime.Runtime.PySys_GetObject("path");
+            Runtime.Runtime.PyList_Append(path, str);
         }
 
         [TearDown]
diff --git a/src/runtime/assemblyinfo.cs b/src/runtime/assemblyinfo.cs
index 1defa851f..1cbd1e749 100644
--- a/src/runtime/assemblyinfo.cs
+++ b/src/runtime/assemblyinfo.cs
@@ -2,6 +2,7 @@
 using System.Reflection;
 using System.Resources;
 using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
 
 [assembly: AssemblyProduct("Python for .NET")]
 [assembly: AssemblyVersion("4.0.0.1")]
@@ -11,23 +12,4 @@
 [assembly: AssemblyCopyright("MIT License")]
 [assembly: AssemblyFileVersion("2.0.0.2")]
 [assembly: NeutralResourcesLanguage("en")]
-
-#if PYTHON27
-[assembly: AssemblyTitle("Python.Runtime for Python 2.7")]
-[assembly: AssemblyDescription("Python Runtime for Python 2.7")]
-#elif PYTHON33
-[assembly: AssemblyTitle("Python.Runtime for Python 3.3")]
-[assembly: AssemblyDescription("Python Runtime for Python 3.3")]
-#elif PYTHON34
-[assembly: AssemblyTitle("Python.Runtime for Python 3.4")]
-[assembly: AssemblyDescription("Python Runtime for Python 3.4")]
-#elif PYTHON35
-[assembly: AssemblyTitle("Python.Runtime for Python 3.5")]
-[assembly: AssemblyDescription("Python Runtime for Python 3.5")]
-#elif PYTHON36
-[assembly: AssemblyTitle("Python.Runtime for Python 3.6")]
-[assembly: AssemblyDescription("Python Runtime for Python 3.6")]
-#elif PYTHON37
-[assembly: AssemblyTitle("Python.Runtime for Python 3.7")]
-[assembly: AssemblyDescription("Python Runtime for Python 3.7")]
-#endif
+[assembly: InternalsVisibleTo("Python.EmbeddingTest")]