diff --git a/AddressBookApi.csproj b/AddressBookApi.csproj
index 45b524d..ee46554 100644
--- a/AddressBookApi.csproj
+++ b/AddressBookApi.csproj
@@ -11,6 +11,15 @@
         <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="7.0.1" />
         <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.1" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
+        <PackageReference Include="NUnit" Version="3.13.3" />
+        <PackageReference Include="NUnit.Analyzers" Version="3.5.0">
+          <PrivateAssets>all</PrivateAssets>
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="NUnit.Console" Version="3.16.1" />
+        <PackageReference Include="NUnit.ConsoleRunner" Version="3.16.1" />
+        <PackageReference Include="NUnit.Runners" Version="3.12.0" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
         <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
     </ItemGroup>
 
diff --git a/AddressBookApi.sln b/AddressBookApi.sln
index b4d8302..1f4eb4c 100644
--- a/AddressBookApi.sln
+++ b/AddressBookApi.sln
@@ -2,6 +2,8 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddressBookApi", "AddressBookApi.csproj", "{1A01A987-3E73-4A01-984D-75634614B5B7}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddressBookApiTests", "AddressBookApiTests\AddressBookApiTests.csproj", "{26616613-BE06-4811-85CB-72930ABE4EE4}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -12,5 +14,9 @@ Global
 		{1A01A987-3E73-4A01-984D-75634614B5B7}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1A01A987-3E73-4A01-984D-75634614B5B7}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1A01A987-3E73-4A01-984D-75634614B5B7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{26616613-BE06-4811-85CB-72930ABE4EE4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{26616613-BE06-4811-85CB-72930ABE4EE4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{26616613-BE06-4811-85CB-72930ABE4EE4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{26616613-BE06-4811-85CB-72930ABE4EE4}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal
diff --git a/AddressBookApiTests/AddressBookApiTests.csproj b/AddressBookApiTests/AddressBookApiTests.csproj
new file mode 100644
index 0000000..a43876d
--- /dev/null
+++ b/AddressBookApiTests/AddressBookApiTests.csproj
@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
+        <PackageReference Include="NUnit" Version="3.13.3" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
+        <PackageReference Include="NUnit.Analyzers" Version="3.3.0" />
+        <PackageReference Include="coverlet.collector" Version="3.1.2" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\AddressBookApi.csproj" />
+    </ItemGroup>
+
+</Project>
diff --git a/AddressBookApiTests/UnitTest1.cs b/AddressBookApiTests/UnitTest1.cs
new file mode 100644
index 0000000..ff8014c
--- /dev/null
+++ b/AddressBookApiTests/UnitTest1.cs
@@ -0,0 +1,15 @@
+namespace AddressBookApiTests;
+
+public class Tests
+{
+    [SetUp]
+    public void Setup()
+    {
+    }
+
+    [Test]
+    public void Test1()
+    {
+        Assert.Pass();
+    }
+}
\ No newline at end of file
diff --git a/AddressBookApiTests/Usings.cs b/AddressBookApiTests/Usings.cs
new file mode 100644
index 0000000..cefced4
--- /dev/null
+++ b/AddressBookApiTests/Usings.cs
@@ -0,0 +1 @@
+global using NUnit.Framework;
\ No newline at end of file