Tests folder improvements

- Now all projects that contains tests are in `tests` folder
- No ambiguity for test assemblies for DEBUG/RELEASE configurations
like it was done for main assemblies

Author: alex-kulakov

Directory.Build.props

@@ -46,7 +46,9 @@
     <BaseIntermediateOutputPath>$(ArtifactsDir)obj\$(MSBuildProjectName)\</BaseIntermediateOutputPath>
     <IntermediateOutputPath>$(BaseIntermediateOutputPath)$(Configuration)\</IntermediateOutputPath>
     <BaseOutputPath>$(ArtifactsDir)bin\$(Configuration)\</BaseOutputPath>
-    <BaseOutputPath Condition="$(MSBuildProjectName.Contains('Tests'))">$(ArtifactsDir)tests\</BaseOutputPath>
+    <BaseOutputPath Condition="$(MSBuildProjectName.Contains('Tests'))
+		OR $(MSBuildProjectName) == 'TestCommon'
+		OR $(MSBuildProjectName) == 'Xtensive.Orm.Manual'">$(ArtifactsDir)tests\$(Configuration)\</BaseOutputPath>
     <OutputPath>$(BaseOutputPath)lib\</OutputPath>
     <MSBuildProjectExtensionsPath>$(BaseIntermediateOutputPath)</MSBuildProjectExtensionsPath>
     <ProjectAssetsFile>$(MSBuildProjectExtensionsPath)project.assets.json</ProjectAssetsFile>