diff --git a/Tests/MSBuild.TestFramework/Core/IProject.cs b/Tests/MSBuild.TestFramework/Core/IProject.cs
new file mode 100644
index 0000000..438b59f
--- /dev/null
+++ b/Tests/MSBuild.TestFramework/Core/IProject.cs
@@ -0,0 +1,8 @@
+using System;
+
+namespace MSBuild.TestFramework.Core;
+
+internal interface IProject
+{
+	void PreProcess();
+}
\ No newline at end of file
diff --git a/Tests/MSBuild.TestFramework/Core/ISdkTest.cs b/Tests/MSBuild.TestFramework/Core/ISdkTest.cs
new file mode 100644
index 0000000..2fb6bbd
--- /dev/null
+++ b/Tests/MSBuild.TestFramework/Core/ISdkTest.cs
@@ -0,0 +1,16 @@
+using System;
+
+namespace MSBuild.TestFramework.Core;
+
+internal interface ISdkTest
+{
+	/// <summary>
+	/// Gets the name of the SDK.
+	/// </summary>
+	string SdkName { get; }
+
+	/// <summary>
+	/// Gets the version of the SDK.
+	/// </summary>
+	string SdkVersion { get; }
+}
\ No newline at end of file
diff --git a/Tests/MSBuild.TestFramework/Core/ISolution.cs b/Tests/MSBuild.TestFramework/Core/ISolution.cs
new file mode 100644
index 0000000..975c148
--- /dev/null
+++ b/Tests/MSBuild.TestFramework/Core/ISolution.cs
@@ -0,0 +1,8 @@
+using System;
+
+namespace MSBuild.TestFramework.Core;
+
+internal interface ISolution
+{
+	void PreProcess();
+}
\ No newline at end of file
diff --git a/Tests/MSBuild.TestFramework/Core/ITaskTest.cs b/Tests/MSBuild.TestFramework/Core/ITaskTest.cs
new file mode 100644
index 0000000..ace8430
--- /dev/null
+++ b/Tests/MSBuild.TestFramework/Core/ITaskTest.cs
@@ -0,0 +1,21 @@
+using System;
+
+namespace MSBuild.TestFramework.Core;
+
+internal interface ITaskTest
+{
+	/// <summary>
+	/// Gets the name of the task.
+	/// </summary>
+	string TaskName { get; }
+
+	/// <summary>
+	/// Gets the namespace containing the task.
+	/// </summary>
+	string TaskNamespace { get; }
+
+	/// <summary>
+	/// Gets the name of the assembly containing the task.
+	/// </summary>
+	string TaskAssemblyName { get; }
+}
\ No newline at end of file
diff --git a/Tests/MSBuild.TestFramework/Project.cs b/Tests/MSBuild.TestFramework/Project.cs
index b8cf694..8ab7f5b 100644
--- a/Tests/MSBuild.TestFramework/Project.cs
+++ b/Tests/MSBuild.TestFramework/Project.cs
@@ -1,10 +1,15 @@
 using System;
+using MSBuild.TestFramework.Core;
 
 namespace MSBuild.TestFramework;
 
-public sealed class Project
+public sealed class Project : IProject
 {
 	public Project()
 	{
 	}
+
+	public void PreProcess()
+	{
+	}
 }
\ No newline at end of file
diff --git a/Tests/MSBuild.TestFramework/SdkTest.cs b/Tests/MSBuild.TestFramework/SdkTest.cs
index 0e8f8d0..62e64e8 100644
--- a/Tests/MSBuild.TestFramework/SdkTest.cs
+++ b/Tests/MSBuild.TestFramework/SdkTest.cs
@@ -1,10 +1,15 @@
 using System;
+using MSBuild.TestFramework.Core;
 
 namespace MSBuild.TestFramework;
 
-public abstract class SdkTest
+public abstract class SdkTest : ISdkTest
 {
 	public SdkTest()
 	{
 	}
+
+	public string SdkName { init; get; };
+
+	public string SdkVersion { init; get; }
 }
\ No newline at end of file
diff --git a/Tests/MSBuild.TestFramework/Solution.cs b/Tests/MSBuild.TestFramework/Solution.cs
index 4bc4fbb..e620d5c 100644
--- a/Tests/MSBuild.TestFramework/Solution.cs
+++ b/Tests/MSBuild.TestFramework/Solution.cs
@@ -1,10 +1,15 @@
 using System;
+using MSBuild.TestFramework.Core;
 
 namespace MSBuild.TestFramework;
 
-public sealed class Solution
+public sealed class Solution : ISolution
 {
 	public Solution()
 	{
 	}
+
+	public void PreProcess()
+	{
+	}
 }
\ No newline at end of file
diff --git a/Tests/MSBuild.TestFramework/TaskTest.cs b/Tests/MSBuild.TestFramework/TaskTest.cs
index 147fb75..bd6b66a 100644
--- a/Tests/MSBuild.TestFramework/TaskTest.cs
+++ b/Tests/MSBuild.TestFramework/TaskTest.cs
@@ -1,10 +1,18 @@
 using System;
+using MSBuild.TestFramework.Core;
 
 namespace MSBuild.TestFramework;
 
-public abstract class TaskTest
+public abstract class TaskTest : ITaskTest
 {
 	public TaskTest()
 	{
 	}
+
+	public string TaskName { init; get; };
+
+	public string TaskNamespace { init; get; }
+
+	public string TaskAssemblyName { init; get; }
+
 }
\ No newline at end of file