Make 8bit gray jpeg explicit for tests

NAPS2.Sdk.Tests/ImageResources.Designer.cs

@@ -319,6 +319,16 @@ namespace NAPS2.Sdk.Tests {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] dog_gray_8bit {
+            get {
+                object obj = ResourceManager.GetObject("dog_gray_8bit", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized resource of type System.Byte[].
         /// </summary>

NAPS2.Sdk.Tests/ImageResources.resx

@@ -262,6 +262,9 @@
   <data name="dog_gray" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>Resources\dog_gray.jpg;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
+  <data name="dog_gray_8bit" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>Resources\dog_gray_8bit.jpg;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
   <data name="dog_gray_png" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>Resources\dog_gray.png;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>

NAPS2.Sdk.Tests/Images/LoadSaveTests.cs

@@ -317,8 +317,8 @@ public class LoadSaveTests : ContextualTests
         },
         new object[]
         {
-            ImageFileFormat.Jpeg, ".jpg", "dog_gray",
-            new[] { "dog_gray" }, new[] { ImagePixelFormat.Gray8 }, false
+            ImageFileFormat.Jpeg, ".jpg", "dog_gray_8bit",
+            new[] { "dog_gray" }, new[] { ImagePixelFormat.Gray8 }, true // Gtk fails to load resolution
         },
         new object[]
         {

NAPS2.Sdk.Tests/Pdf/JpegFormatHelperTests.cs

@@ -21,7 +21,7 @@ public class JpegFormatHelperTests
     [Fact]
     public void JfifGrey()
     {
-        var header = JpegFormatHelper.ReadHeader(new MemoryStream(ImageResources.dog_gray));
+        var header = JpegFormatHelper.ReadHeader(new MemoryStream(ImageResources.dog_gray_8bit));
         Assert.NotNull(header);
         Assert.Equal(788, header.Width);
         Assert.Equal(525, header.Height);

NAPS2.Sdk.Tests/Pdf/PdfExportTests.cs

@@ -37,7 +37,7 @@ public class PdfExporterTests : ContextualTests
         storageConfig.Apply(this);
 
         var filePath = Path.Combine(FolderPath, "test.pdf");
-        using var image = ScanningContext.CreateProcessedImage(LoadImage(ImageResources.dog_gray)
+        using var image = ScanningContext.CreateProcessedImage(LoadImage(ImageResources.dog_gray_8bit)
             .PerformTransform(new GrayscaleTransform()));
 
         await _exporter.Export(filePath, new[] { image });

NAPS2.Sdk.Tests/Pdf/PdfImportExportTests.cs

@@ -235,6 +235,6 @@ public class PdfImportExportTests : ContextualTests
 
         var renderer = new PdfiumPdfRenderer();
         var pdfImage = renderer.Render(ImageContext, _exportPath, PdfRenderSize.Default).Single();
-        ImageAsserts.Similar(ImageResources.dog_exif, pdfImage, 0);
+        ImageAsserts.Similar(ImageResources.dog_exif, pdfImage, 0, ignoreResolution: true);
     }
 }