IGNITE-27442 .NET: Disable packing for test projects (#7291)

Author: ptupitsyn

modules/platforms/dotnet/Apache.Ignite.Tests.Aot/Apache.Ignite.Tests.Aot.csproj

@@ -11,6 +11,7 @@
         <ILLinkTreatWarningsAsErrors>true</ILLinkTreatWarningsAsErrors>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors>$(WarningsAsErrors);IL3050</WarningsAsErrors>
+        <IsPackable>false</IsPackable>
     </PropertyGroup>
 
     <ItemGroup>

modules/platforms/dotnet/Apache.Ignite.Tests.Common/Apache.Ignite.Tests.Common.csproj

@@ -6,7 +6,8 @@
         <Nullable>enable</Nullable>
         <SignAssembly>true</SignAssembly>
         <AssemblyOriginatorKeyFile>Apache.Ignite.Tests.Common.snk</AssemblyOriginatorKeyFile>
-        <IsTrimmable>true</IsTrimmable>        
+        <IsTrimmable>true</IsTrimmable>
+        <IsPackable>false</IsPackable>
     </PropertyGroup>
 
     <ItemGroup>

modules/platforms/dotnet/Apache.Ignite.Tests/ProjectFilesTests.cs

@@ -141,6 +141,28 @@ public void TestTodosHaveTickets()
             }
         }
 
+        [Test]
+        public void TestBenchmarkAndTestProjectsAreNotPackable()
+        {
+            foreach (var file in Directory.GetFiles(TestUtils.SolutionDir, "*.csproj", SearchOption.AllDirectories))
+            {
+                var fileName = Path.GetFileName(file);
+
+                if (!fileName.Contains("Test", StringComparison.OrdinalIgnoreCase) &&
+                    !fileName.Contains("Benchmark", StringComparison.OrdinalIgnoreCase))
+                {
+                    continue;
+                }
+
+                var text = File.ReadAllText(file);
+
+                StringAssert.Contains(
+                    "<IsPackable>false</IsPackable>",
+                    text,
+                    "Test and benchmark projects must not be packable: " + fileName);
+            }
+        }
+
         [SuppressMessage("Design", "CA1064:Exceptions should be public", Justification = "Tests.")]
         [SuppressMessage("Design", "CA1032:Implement standard exception constructors", Justification = "Tests.")]
         private sealed class TodoWithoutTicketException : AssertionException