diff --git a/tests/SkiaSharp.Desktop.Tests/SkiaSharp.Desktop.Tests.csproj b/tests/SkiaSharp.Desktop.Tests/SkiaSharp.Desktop.Tests.csproj
index 86f88c15..506202e8 100644
--- a/tests/SkiaSharp.Desktop.Tests/SkiaSharp.Desktop.Tests.csproj
+++ b/tests/SkiaSharp.Desktop.Tests/SkiaSharp.Desktop.Tests.csproj
@@ -1,16 +1,13 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{F0179CDB-9435-4FB4-8E52-DBF191079491}</ProjectGuid>
     <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>SkiaSharp.Tests</RootNamespace>
     <AssemblyName>SkiaSharp.Tests</AssemblyName>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <ShouldIncludeNativeSkiaSharp>True</ShouldIncludeNativeSkiaSharp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -74,14 +71,8 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
-    <Reference Include="System.Core" />
     <Reference Include="System.Drawing" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
-    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="xunit" Version="2.4.0-beta1-build3891" />
diff --git a/tests/Tests/SKShaperTest.cs b/tests/Tests/SKShaperTest.cs
index 6b57484a..c1a12815 100644
--- a/tests/Tests/SKShaperTest.cs
+++ b/tests/Tests/SKShaperTest.cs
@@ -6,10 +6,11 @@ using Xunit;
 
 using SkiaSharp;
 using SkiaSharp.HarfBuzz;
+using SkiaSharp.Tests;
 
 namespace HarfBuzzSharp.Tests
 {
-	public class SKShaperTest : TestBase
+	public class SKShaperTest : SKTest
 	{
 		[SkippableFact]
 		public void DrawShapedTextExtensionMethodDraws()
@@ -72,56 +73,4 @@ namespace HarfBuzzSharp.Tests
 			}
 		}
 	}
-
-	public abstract class TestBase
-	{
-		protected static readonly string PathToAssembly = Path.GetDirectoryName(typeof(TestBase).GetTypeInfo().Assembly.Location);
-		protected static readonly string PathToFonts = Path.Combine(PathToAssembly, "fonts");
-		protected static readonly string PathToImages = Path.Combine(PathToAssembly, "images");
-
-#if NET_STANDARD
-		protected static bool IsLinux => RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
-		protected static bool IsMac => RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
-		protected static bool IsUnix => IsLinux || IsMac;
-		protected static bool IsWindows => RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
-#else
-		private static class MacPlatformDetector
-		{
-			internal static readonly Lazy<bool> IsMac = new Lazy<bool>(IsRunningOnMac);
-
-			[DllImport("libc")]
-			static extern int uname(IntPtr buf);
-
-			static bool IsRunningOnMac()
-			{
-				IntPtr buf = IntPtr.Zero;
-				try
-				{
-					buf = Marshal.AllocHGlobal(8192);
-					// This is a hacktastic way of getting sysname from uname ()
-					if (uname(buf) == 0)
-					{
-						string os = Marshal.PtrToStringAnsi(buf);
-						if (os == "Darwin")
-							return true;
-					}
-				}
-				catch
-				{
-				}
-				finally
-				{
-					if (buf != IntPtr.Zero)
-						Marshal.FreeHGlobal(buf);
-				}
-				return false;
-			}
-		}
-
-		protected static bool IsMac => MacPlatformDetector.IsMac.Value;
-		protected static bool IsUnix => Environment.OSVersion.Platform == PlatformID.Unix || IsMac;
-		protected static bool IsLinux => IsUnix && !IsMac;
-		protected static bool IsWindows => !IsUnix;
-#endif
-	}
 }
\ No newline at end of file
diff --git a/tests/Tests/SKTest.cs b/tests/Tests/SKTest.cs
index bfdb81af..f656c729 100644
--- a/tests/Tests/SKTest.cs
+++ b/tests/Tests/SKTest.cs
@@ -9,7 +9,7 @@ namespace SkiaSharp.Tests
 {
 	public abstract class SKTest
 	{
-		protected static readonly string PathToAssembly = Path.GetDirectoryName(typeof(SKTest).GetTypeInfo().Assembly.Location);
+		protected static readonly string PathToAssembly = Directory.GetCurrentDirectory();
 		protected static readonly string PathToFonts = Path.Combine(PathToAssembly, "fonts");
 		protected static readonly string PathToImages = Path.Combine(PathToAssembly, "images");