diff --git a/tests/ImageSharp.Tests/Processing/Convolution/BoxBlurTest.cs b/tests/ImageSharp.Tests/Processing/Convolution/BoxBlurTest.cs
new file mode 100644
index 0000000000..f19e6cd0c5
--- /dev/null
+++ b/tests/ImageSharp.Tests/Processing/Convolution/BoxBlurTest.cs
@@ -0,0 +1,53 @@
+// <copyright file="BoxBlurTest.cs" company="James Jackson-South">
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+// </copyright>
+
+namespace ImageSharp.Tests.Processing.Convolution
+{
+    using ImageSharp.PixelFormats;
+
+    using Xunit;
+
+    public class BoxBlurTest : FileTestBase
+    {
+        public static readonly TheoryData<int> BoxBlurValues
+        = new TheoryData<int>
+        {
+            3,
+            5
+        };
+
+        [Theory]
+        [WithFileCollection(nameof(AllBmpFiles), nameof(BoxBlurValues), StandardPixelTypes)]
+        public void ImageShouldApplyBoxBlurFilter<TPixel>(TestImageProvider<TPixel> provider, int value)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage())
+            {
+                image.BoxBlur(value)
+                    .DebugSave(provider, value, Extensions.Bmp);
+            }
+        }
+
+        [Theory]
+        [WithFileCollection(nameof(AllBmpFiles), nameof(BoxBlurValues), StandardPixelTypes)]
+        public void ImageShouldApplyBoxBlurFilterInBox<TPixel>(TestImageProvider<TPixel> provider, int value)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> source = provider.GetImage())
+            using (var image = new Image<TPixel>(source))
+            {
+                var bounds = new Rectangle(10, 10, image.Width / 2, image.Height / 2);
+
+                image.BoxBlur(value, bounds)
+                    .DebugSave(provider, value, Extensions.Bmp);
+
+                // Draw identical shapes over the bounded and compare to ensure changes are constrained.
+                image.Fill(NamedColors<TPixel>.HotPink, bounds);
+                source.Fill(NamedColors<TPixel>.HotPink, bounds);
+                ImageComparer.CheckSimilarity(image, source);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/tests/ImageSharp.Tests/Processors/Filters/GaussianBlurTest.cs b/tests/ImageSharp.Tests/Processing/Convolution/GaussianBlurTest.cs
similarity index 53%
rename from tests/ImageSharp.Tests/Processors/Filters/GaussianBlurTest.cs
rename to tests/ImageSharp.Tests/Processing/Convolution/GaussianBlurTest.cs
index 4b2ac8b7cf..d80daf1d62 100644
--- a/tests/ImageSharp.Tests/Processors/Filters/GaussianBlurTest.cs
+++ b/tests/ImageSharp.Tests/Processing/Convolution/GaussianBlurTest.cs
@@ -3,48 +3,49 @@
 // Licensed under the Apache License, Version 2.0.
 // </copyright>
 
-namespace ImageSharp.Tests
+namespace ImageSharp.Tests.Processing.Convolution
 {
-    using System.IO;
     using ImageSharp.PixelFormats;
+
     using Xunit;
 
-    public class GaussianBlurTest
+    public class GaussianBlurTest : FileTestBase
     {
         public static readonly TheoryData<int> GaussianBlurValues
         = new TheoryData<int>
         {
-            3 ,
-            5 ,
+            3,
+            5
         };
 
         [Theory]
-        [WithTestPatternImages(nameof(GaussianBlurValues), 320, 240, PixelTypes.StandardImageClass)]
+        [WithFileCollection(nameof(AllBmpFiles), nameof(GaussianBlurValues), StandardPixelTypes)]
         public void ImageShouldApplyGaussianBlurFilter<TPixel>(TestImageProvider<TPixel> provider, int value)
             where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> image = provider.GetImage())
             {
                 image.GaussianBlur(value)
-                    .DebugSave(provider, value.ToString());
+                    .DebugSave(provider, value, Extensions.Bmp);
             }
         }
 
         [Theory]
-        [WithTestPatternImages(nameof(GaussianBlurValues), 320, 240, PixelTypes.StandardImageClass)]
+        [WithFileCollection(nameof(AllBmpFiles), nameof(GaussianBlurValues), StandardPixelTypes)]
         public void ImageShouldApplyGaussianBlurFilterInBox<TPixel>(TestImageProvider<TPixel> provider, int value)
             where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> source = provider.GetImage())
-            using (Image<TPixel> image = new Image<TPixel>(source))
+            using (var image = new Image<TPixel>(source))
             {
-                Rectangle rect = new Rectangle(image.Width / 4, image.Height / 4, image.Width / 2, image.Height / 2);
-                image.GaussianBlur(value, rect)
-                    .DebugSave(provider, value.ToString());
+                var bounds = new Rectangle(10, 10, image.Width / 2, image.Height / 2);
+
+                image.GaussianBlur(value, bounds)
+                    .DebugSave(provider, value, Extensions.Bmp);
 
-                // lets draw identical shapes over the blured areas and ensure that it didn't change the outer area
-                image.Fill(NamedColors<TPixel>.HotPink, rect);
-                source.Fill(NamedColors<TPixel>.HotPink, rect);
+                // Draw identical shapes over the bounded and compare to ensure changes are constrained.
+                image.Fill(NamedColors<TPixel>.HotPink, bounds);
+                source.Fill(NamedColors<TPixel>.HotPink, bounds);
                 ImageComparer.CheckSimilarity(image, source);
             }
         }
diff --git a/tests/ImageSharp.Tests/Processors/Filters/GaussianSharpenTest.cs b/tests/ImageSharp.Tests/Processing/Convolution/GaussianSharpenTest.cs
similarity index 53%
rename from tests/ImageSharp.Tests/Processors/Filters/GaussianSharpenTest.cs
rename to tests/ImageSharp.Tests/Processing/Convolution/GaussianSharpenTest.cs
index 1fa1ae15c1..1632e2c2fb 100644
--- a/tests/ImageSharp.Tests/Processors/Filters/GaussianSharpenTest.cs
+++ b/tests/ImageSharp.Tests/Processing/Convolution/GaussianSharpenTest.cs
@@ -3,10 +3,10 @@
 // Licensed under the Apache License, Version 2.0.
 // </copyright>
 
-namespace ImageSharp.Tests
+namespace ImageSharp.Tests.Processing.Convolution
 {
-    using System.IO;
     using ImageSharp.PixelFormats;
+
     using Xunit;
 
     public class GaussianSharpenTest : FileTestBase
@@ -14,37 +14,38 @@ namespace ImageSharp.Tests
         public static readonly TheoryData<int> GaussianSharpenValues
         = new TheoryData<int>
         {
-            3 ,
-            5 ,
+            3,
+            5
         };
 
         [Theory]
-        [WithTestPatternImages(nameof(GaussianSharpenValues), 320, 240, PixelTypes.StandardImageClass)]
+        [WithFileCollection(nameof(AllBmpFiles), nameof(GaussianSharpenValues), StandardPixelTypes)]
         public void ImageShouldApplyGaussianSharpenFilter<TPixel>(TestImageProvider<TPixel> provider, int value)
             where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> image = provider.GetImage())
             {
                 image.GaussianSharpen(value)
-                     .DebugSave(provider, value.ToString());
+                    .DebugSave(provider, value, Extensions.Bmp);
             }
         }
 
         [Theory]
-        [WithTestPatternImages(nameof(GaussianSharpenValues), 320, 240, PixelTypes.StandardImageClass)]
+        [WithFileCollection(nameof(AllBmpFiles), nameof(GaussianSharpenValues), StandardPixelTypes)]
         public void ImageShouldApplyGaussianSharpenFilterInBox<TPixel>(TestImageProvider<TPixel> provider, int value)
-        where TPixel : struct, IPixel<TPixel>
+            where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> source = provider.GetImage())
-            using (Image<TPixel> image = new Image<TPixel>(source))
+            using (var image = new Image<TPixel>(source))
             {
-                Rectangle rect = new Rectangle(image.Width / 4, image.Height / 4, image.Width / 2, image.Height / 2);
-                image.GaussianSharpen(value, rect)
-                     .DebugSave(provider, value.ToString());
+                var bounds = new Rectangle(10, 10, image.Width / 2, image.Height / 2);
+
+                image.GaussianSharpen(value, bounds)
+                    .DebugSave(provider, value, Extensions.Bmp);
 
-                // lets draw identical shapes over the Sharpened areas and ensure that it didn't change the outer area
-                image.Fill(NamedColors<TPixel>.HotPink, rect);
-                source.Fill(NamedColors<TPixel>.HotPink, rect);
+                // Draw identical shapes over the bounded and compare to ensure changes are constrained.
+                image.Fill(NamedColors<TPixel>.HotPink, bounds);
+                source.Fill(NamedColors<TPixel>.HotPink, bounds);
                 ImageComparer.CheckSimilarity(image, source);
             }
         }
diff --git a/tests/ImageSharp.Tests/Processors/Filters/BoxBlurTest.cs b/tests/ImageSharp.Tests/Processors/Filters/BoxBlurTest.cs
deleted file mode 100644
index 03226a9615..0000000000
--- a/tests/ImageSharp.Tests/Processors/Filters/BoxBlurTest.cs
+++ /dev/null
@@ -1,57 +0,0 @@
-// <copyright file="BoxBlurTest.cs" company="James Jackson-South">
-// Copyright (c) James Jackson-South and contributors.
-// Licensed under the Apache License, Version 2.0.
-// </copyright>
-
-namespace ImageSharp.Tests
-{
-    using System.IO;
-
-    using ImageSharp.PixelFormats;
-
-    using Xunit;
-
-    public class BoxBlurTest : FileTestBase
-    {
-        public static readonly TheoryData<int> BoxBlurValues
-        = new TheoryData<int>
-        {
-            3 ,
-            5 ,
-        };
-
-        [Theory]
-        [MemberData(nameof(BoxBlurValues))]
-        public void ImageShouldApplyBoxBlurFilter(int value)
-        {
-            string path = this.CreateOutputDirectory("BoxBlur");
-
-            foreach (TestFile file in Files)
-            {
-                string filename = file.GetFileName(value);
-                using (Image<Rgba32> image = file.CreateImage())
-                using (FileStream output = File.OpenWrite($"{path}/{filename}"))
-                {
-                    image.BoxBlur(value).Save(output);
-                }
-            }
-        }
-
-        [Theory]
-        [MemberData(nameof(BoxBlurValues))]
-        public void ImageShouldApplyBoxBlurFilterInBox(int value)
-        {
-            string path = this.CreateOutputDirectory("BoxBlur");
-
-            foreach (TestFile file in Files)
-            {
-                string filename = file.GetFileName(value + "-InBox");
-                using (Image<Rgba32> image = file.CreateImage())
-                using (FileStream output = File.OpenWrite($"{path}/{filename}"))
-                {
-                    image.BoxBlur(value, new Rectangle(10, 10, image.Width / 2, image.Height / 2)).Save(output);
-                }
-            }
-        }
-    }
-}
\ No newline at end of file