diff --git a/.github/workflows/internal-pr-build-linux.yml b/.github/workflows/internal-pr-build-linux.yml
index d2b249a..96df3ce 100644
--- a/.github/workflows/internal-pr-build-linux.yml
+++ b/.github/workflows/internal-pr-build-linux.yml
@@ -7,7 +7,7 @@ on:
     branches: [ "main" ]
   
 jobs:
-  build:
+  build-and-test:
     runs-on: ubuntu-latest
     
     steps:
@@ -22,10 +22,9 @@ jobs:
       run: dotnet restore
     - name: Build
       run: dotnet build -c Release --no-restore
-    # - name: Test
-    #   run: dotnet test --no-build --verbosity normal
+    - name: Test
+      run: dotnet test -c Release 
     
-    # create archive in \src\CodeQLToolkit.Core\bin\Release\net6.0\publish\linux-x64
     - name: Create Build Bundle (Linux)
       shell: pwsh
       run: |
diff --git a/CodeQLToolkit.sln b/CodeQLToolkit.sln
index 678390f..54867ee 100644
--- a/CodeQLToolkit.sln
+++ b/CodeQLToolkit.sln
@@ -5,7 +5,7 @@ VisualStudioVersion = 17.6.33801.468
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{667B480C-D805-4A9C-AC1F-D9FCCF3DB57C}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{05645E0E-835A-4627-BDAE-C27EC39B23EE}"
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{05645E0E-835A-4627-BDAE-C27EC39B23EE}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "docs", "docs", "{3038EA53-8F37-4B35-AA50-FDFDDFF0F264}"
 	ProjectSection(SolutionItems) = preProject
@@ -25,7 +25,9 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		.github\workflows\release-build.yml = .github\workflows\release-build.yml
 	EndProjectSection
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CodeQLToolkit.Features", "src\CodeQLToolkit.Features\CodeQLToolkit.Features.csproj", "{B85F1529-3321-4AD2-924A-6EA478145DC5}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CodeQLToolkit.Features", "src\CodeQLToolkit.Features\CodeQLToolkit.Features.csproj", "{B85F1529-3321-4AD2-924A-6EA478145DC5}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CodeQLToolkit.Shared.Tests", "test\CodeQLToolkit.Shared.Tests\CodeQLToolkit.Shared.Tests.csproj", "{E57121C2-2A2E-487C-9C32-A7D8914E9123}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -49,6 +51,10 @@ Global
 		{B85F1529-3321-4AD2-924A-6EA478145DC5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B85F1529-3321-4AD2-924A-6EA478145DC5}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B85F1529-3321-4AD2-924A-6EA478145DC5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E57121C2-2A2E-487C-9C32-A7D8914E9123}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E57121C2-2A2E-487C-9C32-A7D8914E9123}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E57121C2-2A2E-487C-9C32-A7D8914E9123}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E57121C2-2A2E-487C-9C32-A7D8914E9123}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -58,6 +64,7 @@ Global
 		{4C5C87E8-46E8-41D3-9CF9-F77148C432AF} = {667B480C-D805-4A9C-AC1F-D9FCCF3DB57C}
 		{A1F78CBC-9AE9-4360-A06B-395F368B183A} = {05645E0E-835A-4627-BDAE-C27EC39B23EE}
 		{B85F1529-3321-4AD2-924A-6EA478145DC5} = {667B480C-D805-4A9C-AC1F-D9FCCF3DB57C}
+		{E57121C2-2A2E-487C-9C32-A7D8914E9123} = {05645E0E-835A-4627-BDAE-C27EC39B23EE}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {BF8F3B81-F4DC-4608-A41C-F00F3E5A05CA}
diff --git a/test/CodeQLToolkit.Shared.Tests/CodeQLToolkit.Shared.Tests.csproj b/test/CodeQLToolkit.Shared.Tests/CodeQLToolkit.Shared.Tests.csproj
new file mode 100644
index 0000000..78d644e
--- /dev/null
+++ b/test/CodeQLToolkit.Shared.Tests/CodeQLToolkit.Shared.Tests.csproj
@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.3.0" />
+    <PackageReference Include="coverlet.collector" Version="3.1.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\CodeQLToolkit.Shared\CodeQLToolkit.Shared.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/test/CodeQLToolkit.Shared.Tests/UnitTest1.cs b/test/CodeQLToolkit.Shared.Tests/UnitTest1.cs
new file mode 100644
index 0000000..cf0d62d
--- /dev/null
+++ b/test/CodeQLToolkit.Shared.Tests/UnitTest1.cs
@@ -0,0 +1,16 @@
+namespace CodeQLToolkit.Shared.Tests
+{
+    public class Tests
+    {
+        [SetUp]
+        public void Setup()
+        {
+        }
+
+        [Test]
+        public void Test1()
+        {
+            Assert.Pass();
+        }
+    }
+}
\ No newline at end of file
diff --git a/test/CodeQLToolkit.Shared.Tests/Usings.cs b/test/CodeQLToolkit.Shared.Tests/Usings.cs
new file mode 100644
index 0000000..e7b1313
--- /dev/null
+++ b/test/CodeQLToolkit.Shared.Tests/Usings.cs
@@ -0,0 +1,2 @@
+global using NUnit.Framework;
+global using CodeQLToolkit.Shared.Utils;
\ No newline at end of file
diff --git a/test/CodeQLToolkit.Shared.Tests/Utils/FileUtilsTest.cs b/test/CodeQLToolkit.Shared.Tests/Utils/FileUtilsTest.cs
new file mode 100644
index 0000000..71d70c7
--- /dev/null
+++ b/test/CodeQLToolkit.Shared.Tests/Utils/FileUtilsTest.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CodeQLToolkit.Shared.Tests.Utils
+{
+    public class FileUtilsTest
+    {
+        [SetUp]
+        public void Setup()
+        {
+        }
+ 
+        [Test]
+        public void TestCreateTempDirectory()
+        {
+            var dir = FileUtils.CreateTempDirectory();           
+            Assert.IsTrue(Directory.Exists(dir));
+            Assert.IsTrue(dir.StartsWith(Path.GetTempPath()));
+        }
+
+        [Test]
+        public void TestCreateTempDirectoryWithPath()
+        {
+            var dir = FileUtils.CreateTempDirectory(Path.GetTempPath());
+            Assert.IsTrue(Directory.Exists(dir));
+            Assert.IsTrue(dir.StartsWith(Path.GetTempPath()));
+
+        }
+    }
+}