diff --git a/GraalGmapGeneratorTests/GmapBuilderTests.cs b/GraalGmapGeneratorTests/GmapBuilderTests.cs
index e15d786..d0addc4 100644
--- a/GraalGmapGeneratorTests/GmapBuilderTests.cs
+++ b/GraalGmapGeneratorTests/GmapBuilderTests.cs
@@ -3,6 +3,7 @@ using NUnit.Framework;
 
 namespace GraalGmapGeneratorTests
 {
+    [TestFixture]
     public class GmapBuilderTests
     {
         GmapBuilder gmapBuilder;
diff --git a/GraalGmapGeneratorTests/GmapContentGeneratorTests.cs b/GraalGmapGeneratorTests/GmapContentGeneratorTests.cs
index a28f12b..f1262f5 100644
--- a/GraalGmapGeneratorTests/GmapContentGeneratorTests.cs
+++ b/GraalGmapGeneratorTests/GmapContentGeneratorTests.cs
@@ -8,6 +8,7 @@ using System.Text.RegularExpressions;
 
 namespace GraalGmapGeneratorTests
 {
+    [TestFixture]
     public class GmapContentGeneratorTests
     {
         [Test]
diff --git a/GraalGmapGeneratorTests/GmapPropertyValidatorsTests.cs b/GraalGmapGeneratorTests/GmapPropertyValidatorsTests.cs
index 7926785..6727683 100644
--- a/GraalGmapGeneratorTests/GmapPropertyValidatorsTests.cs
+++ b/GraalGmapGeneratorTests/GmapPropertyValidatorsTests.cs
@@ -1,6 +1,4 @@
-using System;
 using System.Collections.Generic;
-using System.Linq;
 using GraalGmapGenerator;
 using NUnit.Framework;
 
@@ -72,7 +70,5 @@ namespace GraalGmapGeneratorTests
         {
             Assert.True(GmapPropertyValidators.IsValidDirectory(validPath));
         }
-
-        
     }
 }
\ No newline at end of file
diff --git a/GraalGmapGeneratorTests/GmapTests.cs b/GraalGmapGeneratorTests/GmapTests.cs
index 6d1e07e..a04db92 100644
--- a/GraalGmapGeneratorTests/GmapTests.cs
+++ b/GraalGmapGeneratorTests/GmapTests.cs
@@ -3,6 +3,7 @@ using NUnit.Framework;
 
 namespace GraalGmapGeneratorTests
 {
+    [TestFixture]
     public class GmapTests
     {
         [Test]