[WIP] Migrate visual tests project for macOS

Author: frenzibyte

.run/VisualTests.run.xml

@@ -0,0 +1,11 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="VisualTests" type="XamarinMacProject" factoryName="Xamarin.Mac">
+    <option name="PROJECT_PATH" value="$PROJECT_DIR$/osu.Framework.Tests/osu.Framework.Tests.csproj" />
+    <option name="PROGRAM_PARAMETERS" value="" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/osu.Framework.Tests/bin/Debug/net8.0-macos/osx-arm64" />
+    <option name="PASS_PARENT_ENVS_MAC" value="1" />
+    <method v="2">
+      <option name="Build" />
+    </method>
+  </configuration>
+</component>

osu.Framework.Tests/Info.plist

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>CFBundleIdentifier</key>
+        <string>sh.ppy.osu-framework-visual-tests</string>
+        <key>NSPrincipalClass</key>
+        <string>NSApplication</string>
+    </dict>
+</plist>

osu.Framework.Tests/osu.Framework.Tests.csproj

@@ -1,8 +1,18 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="Project">
-    <TargetFramework>net8.0</TargetFramework>
-    <OutputType>WinExe</OutputType>
+    <TargetFrameworks>net8.0;net8.0-macos</TargetFrameworks>
+    <OutputType>Exe</OutputType>
   </PropertyGroup>
+  <PropertyGroup Condition="$(TargetFramework.Contains('macos'))">
+    <RuntimeIdentifier>osx-arm64</RuntimeIdentifier>
+    <SupportedOSPlatformVersion>10.15</SupportedOSPlatformVersion>
+    <NullabilityInfoContextSupport>true</NullabilityInfoContextSupport>
+  </PropertyGroup>
+  <Target Name="OsuFrameworkIOSRemoveMacOSFrameworks" Condition="$(TargetFramework.Contains('macos'))" BeforeTargets="_ComputeLinkNativeExecutableInputs" AfterTargets="_LoadLinkerOutput">
+    <ItemGroup>
+      <_LinkerFrameworks Remove="OpenGLES"/>
+    </ItemGroup>
+  </Target>
   <PropertyGroup>
     <GenerateProgramFile>false</GenerateProgramFile>
   </PropertyGroup>