Only run SQL Server SP tests for SqlServer

Author: mythz

tests/ServiceStack.OrmLiteV45.Tests/CustomSqlTestsAsync.cs

@@ -35,6 +35,8 @@ @pTotal int OUT
         [Test]
         public async Task Can_execute_stored_procedure_using_SqlList_with_out_params()
         {
+            if (Dialect != Dialect.SqlServer) return;
+
             using (var db = OpenDbConnection())
             {
                 db.DropAndCreateTable<LetterFrequency>();
@@ -61,6 +63,8 @@ public async Task Can_execute_stored_procedure_using_SqlList_with_out_params()
         [Test]
         public async Task Can_execute_stored_procedure_using_SqlProc_with_out_params()
         {
+            if (Dialect != Dialect.SqlServer) return;
+
             using (var db = OpenDbConnection())
             {
                 db.DropAndCreateTable<LetterFrequency>();
@@ -84,8 +88,11 @@ public async Task Can_execute_stored_procedure_using_SqlProc_with_out_params()
         }
 
         [Test]
+        [NUnit.Framework.Ignore("Requires out-of-band SP")]
         public async Task Can_execute_stored_proceduce_returning_scalars()
         {
+            if (Dialect != Dialect.SqlServer) return;
+
             using (var db = OpenDbConnection())
             {
                 using (var cmd = db.SqlProc(