Added all tests to single xUnit collection to ensure sequential execution (parallel seems to cause problems with database even though some tests do not use).

Author: ckadluba

test/Serilog.Sinks.MSSqlServer.Tests/Configuration/Implementations/Microsoft.Extensions.Configuration/ApplyMicrosoftExtensionsConfigurationTests.cs

@@ -5,6 +5,7 @@
 
 namespace Serilog.Sinks.MSSqlServer.Tests.Configuration.Implementations.Microsoft.Extensions.Configuration
 {
+    [Collection("LogTest")]
     public class ApplyMicrosoftExtensionsConfigurationTests
     {
         [Fact]

test/Serilog.Sinks.MSSqlServer.Tests/Configuration/Implementations/System.Configuration/ApplySystemConfigurationTests.cs

@@ -5,6 +5,7 @@
 
 namespace Serilog.Sinks.MSSqlServer.Tests.Configuration.Implementations.System.Configuration
 {
+    [Collection("LogTest")]
     public class ApplySystemConfigurationTests
     {
         [Fact]

test/Serilog.Sinks.MSSqlServer.Tests/CustomStandardColumnNames.cs renamed to test/Serilog.Sinks.MSSqlServer.Tests/CustomStandardColumnNamesTests.cs

@@ -10,7 +10,7 @@
 namespace Serilog.Sinks.MSSqlServer.Tests
 {
     [Collection("LogTest")]
-    public sealed class CustomStandardColumnNames : IDisposable
+    public sealed class CustomStandardColumnNamesTests : IDisposable
     {
         [Fact]
         public void CustomIdColumn()

test/Serilog.Sinks.MSSqlServer.Tests/Sinks/MSSqlServer/ColumnOptions/TimeStampColumnOptionsTests.cs

@@ -4,6 +4,7 @@
 
 namespace Serilog.Sinks.MSSqlServer.Tests.Sinks.MSSqlServer.ColumnOptions
 {
+    [Collection("LogTest")]
     public class TimeStampColumnOptionsTests
     {
         [Trait("Bugfix", "#187")]

test/Serilog.Sinks.MSSqlServer.Tests/Sinks/MSSqlServer/MSSqlServerSinkTraitsTests.cs

@@ -12,6 +12,7 @@
 
 namespace Serilog.Sinks.MSSqlServer.Tests.Sinks.MSSqlServer
 {
+    [Collection("LogTest")]
     public class MSSqlServerSinkTraitsTests
     {
         private MSSqlServerSinkTraits traits;