fix alltest sin github

Author: jogibear9988

src/Migrator.Tests/Providers/Base/TransformationProviderSimpleBase.cs

@@ -14,7 +14,7 @@ public virtual void TearDown()
     {
         DropTestTables();
 
-        Provider.Rollback();
+        Provider?.Rollback();
     }
 
     protected void DropTestTables()
@@ -75,4 +75,4 @@ public void AddTableWithPrimaryKey()
             new Column("bigstring", DbType.String, 50000)
         );
     }
-}
+}

src/Migrator.Tests/Providers/SQLServer/Base/SQLServerTransformationProviderTestBase.cs

@@ -17,8 +17,12 @@ public void SetUp()
     {
         var configReader = new ConfigurationReader();
         var connectionString = configReader.GetDatabaseConnectionConfigById(DatabaseConnectionConfigIds.SQLServerConnectionConfigId)
-            .ConnectionString;
-
+            ?.ConnectionString;
+
+        if (string.IsNullOrEmpty(connectionString))
+        {
+            throw new IgnoreException("No SqlServer ConnectionString is Set.");
+        }
 
         DbProviderFactories.RegisterFactory("Microsoft.Data.SqlClient", () => Microsoft.Data.SqlClient.SqlClientFactory.Instance);
 

src/Migrator.Tests/Providers/SQLServer/SqlServerTransformationProviderGenericTests.cs

@@ -16,7 +16,7 @@ public void SetUp()
     {
         var configReader = new ConfigurationReader();
         var connectionString = configReader.GetDatabaseConnectionConfigById(DatabaseConnectionConfigIds.SQLServerConnectionConfigId)
-            .ConnectionString;
+            ?.ConnectionString;
 
         if (string.IsNullOrEmpty(connectionString))
         {

src/Migrator.Tests/Providers/SQLServer/SqlServerTransformationProviderTests.cs

@@ -1,16 +1,3 @@
-#region License
-
-//The contents of this file are subject to the Mozilla Public License
-//Version 1.1 (the "License"); you may not use this file except in
-//compliance with the License. You may obtain a copy of the License at
-//http://www.mozilla.org/MPL/
-//Software distributed under the License is distributed on an "AS IS"
-//basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
-//License for the specific language governing rights and limitations
-//under the License.
-
-#endregion
-
 using System.Data;
 using Migrator.Providers;
 using Migrator.Providers.SqlServer;
@@ -65,4 +52,4 @@ public void TableExistsShouldWorkWithTableNamesWithBracket()
     {
         Assert.That(Provider.TableExists("[TestTwo]"), Is.True);
     }
-}
+}