diff --git a/tests/bindings-test/dotnet/MacCatalyst/bindings-test.csproj b/tests/bindings-test/dotnet/MacCatalyst/bindings-test.csproj
index 020a37a36bed..2d41c1d3e7e9 100644
--- a/tests/bindings-test/dotnet/MacCatalyst/bindings-test.csproj
+++ b/tests/bindings-test/dotnet/MacCatalyst/bindings-test.csproj
@@ -2,7 +2,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0-maccatalyst</TargetFramework>
-    <NativeLibName>maccatalyst-fat</NativeLibName>
   </PropertyGroup>
-  <Import Project="..\shared.targets" />
+
+  <!-- Imports of the form '../shared.fsproj' will be processed by xharness -->
+  <Import Project="../shared.csproj" />
+
+  <ItemGroup>
+    <!-- this empty item group is here for xharness -->
+  </ItemGroup>
 </Project>
diff --git a/tests/bindings-test/dotnet/iOS/bindings-test.csproj b/tests/bindings-test/dotnet/iOS/bindings-test.csproj
index 3796dff48e6c..fcee7e5c1230 100644
--- a/tests/bindings-test/dotnet/iOS/bindings-test.csproj
+++ b/tests/bindings-test/dotnet/iOS/bindings-test.csproj
@@ -2,7 +2,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0-ios</TargetFramework>
-    <NativeLibName>ios-fat</NativeLibName>
   </PropertyGroup>
-  <Import Project="..\shared.targets" />
+
+  <!-- Imports of the form '../shared.fsproj' will be processed by xharness -->
+  <Import Project="../shared.csproj" />
+
+  <ItemGroup>
+    <!-- this empty item group is here for xharness -->
+  </ItemGroup>
 </Project>
diff --git a/tests/bindings-test/dotnet/macOS/bindings-test.csproj b/tests/bindings-test/dotnet/macOS/bindings-test.csproj
index 3c5113401f55..7712aedfa386 100644
--- a/tests/bindings-test/dotnet/macOS/bindings-test.csproj
+++ b/tests/bindings-test/dotnet/macOS/bindings-test.csproj
@@ -2,7 +2,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0-macos</TargetFramework>
-    <NativeLibName>macos-fat</NativeLibName>
   </PropertyGroup>
-  <Import Project="..\shared.targets" />
+
+  <!-- Imports of the form '../shared.fsproj' will be processed by xharness -->
+  <Import Project="../shared.csproj" />
+
+  <ItemGroup>
+    <!-- this empty item group is here for xharness -->
+  </ItemGroup>
 </Project>
diff --git a/tests/bindings-test/dotnet/shared.targets b/tests/bindings-test/dotnet/shared.csproj
similarity index 95%
rename from tests/bindings-test/dotnet/shared.targets
rename to tests/bindings-test/dotnet/shared.csproj
index 4f05f206df22..1e07a6e7a93c 100644
--- a/tests/bindings-test/dotnet/shared.targets
+++ b/tests/bindings-test/dotnet/shared.csproj
@@ -7,11 +7,13 @@
     <LangVersion>latest</LangVersion>
     <IsBindingProject>true</IsBindingProject>
 
-    <RootTestsDirectory>$(MSBuildThisFileDirectory)\..\..</RootTestsDirectory>
+    <RootTestsDirectory>$([System.IO.Path]::GetFullPath('$(MSBuildProjectDirectory)\..\..\..'))</RootTestsDirectory>
     <BindingsTestDirectory>$(RootTestsDirectory)\bindings-test</BindingsTestDirectory>
     <TestLibrariesDirectory>$(RootTestsDirectory)\test-libraries</TestLibrariesDirectory>
   </PropertyGroup>
 
+  <Import Project="$(RootTestsDirectory)/common/shared-dotnet.csproj" />
+
   <ItemGroup>
     <PackageReference Include="NUnitLite" Version="3.12.0" />
   </ItemGroup>
diff --git a/tests/bindings-test/dotnet/tvOS/bindings-test.csproj b/tests/bindings-test/dotnet/tvOS/bindings-test.csproj
index 605a4a34297a..35f36b872a46 100644
--- a/tests/bindings-test/dotnet/tvOS/bindings-test.csproj
+++ b/tests/bindings-test/dotnet/tvOS/bindings-test.csproj
@@ -2,7 +2,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0-tvos</TargetFramework>
-    <NativeLibName>tvos-fat</NativeLibName>
   </PropertyGroup>
-  <Import Project="..\shared.targets" />
+
+  <!-- Imports of the form '../shared.fsproj' will be processed by xharness -->
+  <Import Project="../shared.csproj" />
+
+  <ItemGroup>
+    <!-- this empty item group is here for xharness -->
+  </ItemGroup>
 </Project>
diff --git a/tests/bindings-test/dotnet/watchOS/bindings-test.csproj b/tests/bindings-test/dotnet/watchOS/bindings-test.csproj
deleted file mode 100644
index 4335220ac681..000000000000
--- a/tests/bindings-test/dotnet/watchOS/bindings-test.csproj
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <TargetFramework>net6.0-watchos</TargetFramework>
-    <NativeLibName>watchos-fat</NativeLibName>
-  </PropertyGroup>
-  <Import Project="..\shared.targets" />
-</Project>
diff --git a/tests/fsharplibrary/dotnet/MacCatalyst/Makefile b/tests/fsharplibrary/dotnet/MacCatalyst/Makefile
new file mode 100644
index 000000000000..110d078f4577
--- /dev/null
+++ b/tests/fsharplibrary/dotnet/MacCatalyst/Makefile
@@ -0,0 +1 @@
+include ../shared.mk
diff --git a/tests/fsharplibrary/dotnet/MacCatalyst/fsharplibrary.fsproj b/tests/fsharplibrary/dotnet/MacCatalyst/fsharplibrary.fsproj
index 9ce1613a68ce..95aa0d0d99f0 100644
--- a/tests/fsharplibrary/dotnet/MacCatalyst/fsharplibrary.fsproj
+++ b/tests/fsharplibrary/dotnet/MacCatalyst/fsharplibrary.fsproj
@@ -3,5 +3,11 @@
   <PropertyGroup>
     <TargetFramework>net6.0-maccatalyst</TargetFramework>
   </PropertyGroup>
-  <Import Project="..\shared.targets" />
+
+  <!-- Imports of the form '../shared.fsproj' will be processed by xharness -->
+  <Import Project="../shared.fsproj" />
+
+  <ItemGroup>
+    <!-- this empty item group is here for xharness -->
+  </ItemGroup>
 </Project>
diff --git a/tests/fsharplibrary/dotnet/iOS/Makefile b/tests/fsharplibrary/dotnet/iOS/Makefile
new file mode 100644
index 000000000000..110d078f4577
--- /dev/null
+++ b/tests/fsharplibrary/dotnet/iOS/Makefile
@@ -0,0 +1 @@
+include ../shared.mk
diff --git a/tests/fsharplibrary/dotnet/iOS/fsharplibrary.fsproj b/tests/fsharplibrary/dotnet/iOS/fsharplibrary.fsproj
index b66366a3cf11..bf70b871258c 100644
--- a/tests/fsharplibrary/dotnet/iOS/fsharplibrary.fsproj
+++ b/tests/fsharplibrary/dotnet/iOS/fsharplibrary.fsproj
@@ -3,5 +3,11 @@
   <PropertyGroup>
     <TargetFramework>net6.0-ios</TargetFramework>
   </PropertyGroup>
-  <Import Project="..\shared.targets" />
+
+  <!-- Imports of the form '../shared.fsproj' will be processed by xharness -->
+  <Import Project="../shared.fsproj" />
+
+  <ItemGroup>
+    <!-- this empty item group is here for xharness -->
+  </ItemGroup>
 </Project>
diff --git a/tests/fsharplibrary/dotnet/macOS/Makefile b/tests/fsharplibrary/dotnet/macOS/Makefile
new file mode 100644
index 000000000000..110d078f4577
--- /dev/null
+++ b/tests/fsharplibrary/dotnet/macOS/Makefile
@@ -0,0 +1 @@
+include ../shared.mk
diff --git a/tests/fsharplibrary/dotnet/macOS/fsharplibrary.fsproj b/tests/fsharplibrary/dotnet/macOS/fsharplibrary.fsproj
index e74022fb65f1..48bdec73cbb4 100644
--- a/tests/fsharplibrary/dotnet/macOS/fsharplibrary.fsproj
+++ b/tests/fsharplibrary/dotnet/macOS/fsharplibrary.fsproj
@@ -3,5 +3,11 @@
   <PropertyGroup>
     <TargetFramework>net6.0-macos</TargetFramework>
   </PropertyGroup>
-  <Import Project="..\shared.targets" />
+
+  <!-- Imports of the form '../shared.fsproj' will be processed by xharness -->
+  <Import Project="../shared.fsproj" />
+
+  <ItemGroup>
+    <!-- this empty item group is here for xharness -->
+  </ItemGroup>
 </Project>
diff --git a/tests/fsharplibrary/dotnet/shared.targets b/tests/fsharplibrary/dotnet/shared.fsproj
similarity index 79%
rename from tests/fsharplibrary/dotnet/shared.targets
rename to tests/fsharplibrary/dotnet/shared.fsproj
index b64096d48b1e..b1491e58b082 100644
--- a/tests/fsharplibrary/dotnet/shared.targets
+++ b/tests/fsharplibrary/dotnet/shared.fsproj
@@ -1,9 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
 <Project>
 	<PropertyGroup>
 		<SignAssembly>true</SignAssembly>
 		<GenerateTailCalls>true</GenerateTailCalls>
 
-		<RootTestsDirectory>$(MSBuildThisFileDirectory)\..\..</RootTestsDirectory>
+		<RootTestsDirectory>$([System.IO.Path]::GetFullPath('$(MSBuildProjectDirectory)\..\..\..'))</RootTestsDirectory>
 		<FSharpLibraryDirectory>$(RootTestsDirectory)\fsharplibrary</FSharpLibraryDirectory>
 
 		<AssemblyOriginatorKeyFile>$(RootTestsDirectory)\..\product.snk</AssemblyOriginatorKeyFile>
diff --git a/tests/fsharplibrary/dotnet/shared.mk b/tests/fsharplibrary/dotnet/shared.mk
new file mode 100644
index 000000000000..bc7ccd259626
--- /dev/null
+++ b/tests/fsharplibrary/dotnet/shared.mk
@@ -0,0 +1,29 @@
+TOP=../../../..
+include $(TOP)/Make.config
+include $(TOP)/mk/colors.mk
+
+prepare:
+	$(Q) $(MAKE) -C $(TOP)/tests/dotnet copy-dotnet-config
+
+reload:
+	$(Q) rm -Rf $(TOP)/tests/dotnet/packages
+	$(Q) $(MAKE) -C $(TOP) -j8 all
+	$(Q) $(MAKE) -C $(TOP) -j8 install
+	$(Q) git clean -xfdq
+
+reload-and-build:
+	$(Q) $(MAKE) reload
+	$(Q) $(MAKE) build
+
+reload-and-run:
+	$(Q) $(MAKE) reload
+	$(Q) $(MAKE) run
+
+build: prepare
+	$(Q) $(DOTNET6) build /bl *.csproj $(MSBUILD_VERBOSITY) $(BUILD_ARGUMENTS)
+
+run: prepare
+	$(Q) $(DOTNET6) build /bl *.csproj $(MSBUILD_VERBOSITY) $(BUILD_ARGUMENTS) -t:Run
+
+diag: prepare
+	$(Q) $(DOTNET6) build /v:diag msbuild.binlog
diff --git a/tests/fsharplibrary/dotnet/tvOS/Makefile b/tests/fsharplibrary/dotnet/tvOS/Makefile
new file mode 100644
index 000000000000..110d078f4577
--- /dev/null
+++ b/tests/fsharplibrary/dotnet/tvOS/Makefile
@@ -0,0 +1 @@
+include ../shared.mk
diff --git a/tests/fsharplibrary/dotnet/tvOS/fsharplibrary.fsproj b/tests/fsharplibrary/dotnet/tvOS/fsharplibrary.fsproj
index 891c5b149690..74bee04ac72b 100644
--- a/tests/fsharplibrary/dotnet/tvOS/fsharplibrary.fsproj
+++ b/tests/fsharplibrary/dotnet/tvOS/fsharplibrary.fsproj
@@ -3,5 +3,11 @@
   <PropertyGroup>
     <TargetFramework>net6.0-tvos</TargetFramework>
   </PropertyGroup>
-  <Import Project="..\shared.targets" />
+
+  <!-- Imports of the form '../shared.fsproj' will be processed by xharness -->
+  <Import Project="../shared.fsproj" />
+
+  <ItemGroup>
+    <!-- this empty item group is here for xharness -->
+  </ItemGroup>
 </Project>
diff --git a/tests/fsharplibrary/dotnet/watchOS/fsharplibrary.fsproj b/tests/fsharplibrary/dotnet/watchOS/fsharplibrary.fsproj
deleted file mode 100644
index d77e283e2c96..000000000000
--- a/tests/fsharplibrary/dotnet/watchOS/fsharplibrary.fsproj
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <TargetFramework>net6.0-watchos</TargetFramework>
-  </PropertyGroup>
-  <Import Project="..\shared.targets" />
-</Project>