fix build

build.sh

@@ -41,7 +41,7 @@ chmod +x $NUNIT_AGENT_X86_EXE
 # Download NuGet if it does not exist.
 if [ ! -f $NUGET_EXE ]; then
     echo "Downloading NuGet..."
-    curl -Lsfo $NUGET_EXE https://www.nuget.org/nuget.exe
+    curl -Lsfo $NUGET_EXE https://dist.nuget.org/win-x86-commandline/v4.1.0/nuget.exe
 	chmod +x $NUGET_EXE
     if [ $? -ne 0 ]; then
         echo "An error occured while downloading nuget.exe."

src/tests/TeamCityEventListenerTests.cs

@@ -27,9 +27,7 @@ namespace NUnit.Engine.Listeners
     using System.IO;
     using System.Text;
     using System.Xml;
-
     using Extensibility;
-
     using Framework;
 
     [TestFixture]

src/tests/teamcity-event-listener.tests.csproj

@@ -34,18 +34,14 @@
   <ItemGroup>
     <Reference Include="nunit.engine.api, Version=3.0.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>..\..\packages\NUnit.Engine.Api.3.7.0\lib\nunit.engine.api.dll</HintPath>
-      <Private>True</Private>
     </Reference>
     <Reference Include="nunit.framework, Version=3.7.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>..\..\packages\NUnit.3.7.1\lib\net20\nunit.framework.dll</HintPath>
-      <Private>True</Private>
     </Reference>
     <Reference Include="NUnit.System.Linq, Version=0.6.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>..\..\packages\NUnit.3.7.1\lib\net20\NUnit.System.Linq.dll</HintPath>
-      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>

tests.cmd

@@ -1 +1 @@
-powershell -File build.ps1 -Target "Appveyor"
+powershell -File build.ps1 -Target "Appveyor"