diff --git a/Tests/FAnsiTests/Aggregation/AggregationTests.cs b/Tests/FAnsiTests/Aggregation/AggregationTests.cs
index 95a44746..1f0c2fc9 100644
--- a/Tests/FAnsiTests/Aggregation/AggregationTests.cs
+++ b/Tests/FAnsiTests/Aggregation/AggregationTests.cs
@@ -173,7 +173,7 @@ protected DiscoveredTable GetTestTable(DatabaseType type, bool easy = false)
         var dic = easy ? _easyTables : _hardTables;
 
         if (!dic.ContainsKey(type))
-            Assert.Inconclusive("No connection string found for Test database type {0}", type);
+            Assert.Inconclusive($"No connection string found for Test database type {type}");
 
         return dic[type];
     }
diff --git a/Tests/FAnsiTests/Aggregation/CalendarWithPivotAggregationTests.cs b/Tests/FAnsiTests/Aggregation/CalendarWithPivotAggregationTests.cs
index 60f62c81..c1e3dfdb 100644
--- a/Tests/FAnsiTests/Aggregation/CalendarWithPivotAggregationTests.cs
+++ b/Tests/FAnsiTests/Aggregation/CalendarWithPivotAggregationTests.cs
@@ -5,6 +5,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data;
+using NUnit.Framework.Legacy;
 
 namespace FAnsiTests.Aggregation;
 
diff --git a/Tests/FAnsiTests/CrossPlatformTests.cs b/Tests/FAnsiTests/CrossPlatformTests.cs
index 23e9a6c8..72c6af74 100644
--- a/Tests/FAnsiTests/CrossPlatformTests.cs
+++ b/Tests/FAnsiTests/CrossPlatformTests.cs
@@ -10,6 +10,7 @@
 using FAnsi.Discovery.QuerySyntax;
 using FAnsiTests.TypeTranslation;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using TypeGuesser;
 using TypeGuesser.Deciders;
 
diff --git a/Tests/FAnsiTests/Parameters/ParameterTests.cs b/Tests/FAnsiTests/Parameters/ParameterTests.cs
index 486c74f0..ff66e43d 100644
--- a/Tests/FAnsiTests/Parameters/ParameterTests.cs
+++ b/Tests/FAnsiTests/Parameters/ParameterTests.cs
@@ -4,6 +4,7 @@
 using NUnit.Framework;
 using System.Data;
 using System.Text;
+using NUnit.Framework.Legacy;
 using TypeGuesser;
 
 namespace FAnsiTests.Parameters;
diff --git a/Tests/FAnsiTests/Query/QuerySyntaxHelperDatabaseTests.cs b/Tests/FAnsiTests/Query/QuerySyntaxHelperDatabaseTests.cs
index 2e9940bc..2f20f13a 100644
--- a/Tests/FAnsiTests/Query/QuerySyntaxHelperDatabaseTests.cs
+++ b/Tests/FAnsiTests/Query/QuerySyntaxHelperDatabaseTests.cs
@@ -2,6 +2,7 @@
 using FAnsi;
 using FAnsi.Discovery.QuerySyntax;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 
 namespace FAnsiTests.Query;
 
diff --git a/Tests/FAnsiTests/Query/QuerySyntaxHelperTests.cs b/Tests/FAnsiTests/Query/QuerySyntaxHelperTests.cs
index 89ff12da..4a8d64ac 100644
--- a/Tests/FAnsiTests/Query/QuerySyntaxHelperTests.cs
+++ b/Tests/FAnsiTests/Query/QuerySyntaxHelperTests.cs
@@ -5,6 +5,7 @@
 using FAnsi.Discovery.QuerySyntax;
 using FAnsi.Implementation;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 
 namespace FAnsiTests.Query;
 
diff --git a/Tests/FAnsiTests/Server/ConnectionStringKeywordAccumulatorTests.cs b/Tests/FAnsiTests/Server/ConnectionStringKeywordAccumulatorTests.cs
index b19e6f34..48e2f789 100644
--- a/Tests/FAnsiTests/Server/ConnectionStringKeywordAccumulatorTests.cs
+++ b/Tests/FAnsiTests/Server/ConnectionStringKeywordAccumulatorTests.cs
@@ -8,6 +8,7 @@
 using FAnsi.Implementations.Oracle;
 using FAnsi.Implementations.PostgreSql;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 
 namespace FAnsiTests.Server;
 
diff --git a/Tests/FAnsiTests/Table/BulkInsertTest.cs b/Tests/FAnsiTests/Table/BulkInsertTest.cs
index e01524bc..2b1a928e 100644
--- a/Tests/FAnsiTests/Table/BulkInsertTest.cs
+++ b/Tests/FAnsiTests/Table/BulkInsertTest.cs
@@ -9,6 +9,7 @@
 using FAnsi.Discovery.QuerySyntax;
 using FAnsi.Exceptions;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using TypeGuesser;
 
 namespace FAnsiTests.Table;
diff --git a/Tests/FAnsiTests/Table/CreateTableTests.cs b/Tests/FAnsiTests/Table/CreateTableTests.cs
index 5c3f7003..f66241e8 100644
--- a/Tests/FAnsiTests/Table/CreateTableTests.cs
+++ b/Tests/FAnsiTests/Table/CreateTableTests.cs
@@ -8,6 +8,7 @@
 using FAnsi.Discovery.TableCreation;
 using FAnsi.Extensions;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using TypeGuesser;
 
 namespace FAnsiTests.Table;
diff --git a/Tests/FAnsiTests/Table/ForeignKeyTests.cs b/Tests/FAnsiTests/Table/ForeignKeyTests.cs
index d0a269c1..73555243 100644
--- a/Tests/FAnsiTests/Table/ForeignKeyTests.cs
+++ b/Tests/FAnsiTests/Table/ForeignKeyTests.cs
@@ -4,6 +4,7 @@
 using FAnsi.Discovery;
 using FAnsi.Discovery.Constraints;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using TypeGuesser;
 
 namespace FAnsiTests.Table;
diff --git a/Tests/FAnsiTests/Table/LongNamesTests.cs b/Tests/FAnsiTests/Table/LongNamesTests.cs
index 1ec32325..7f4acd39 100644
--- a/Tests/FAnsiTests/Table/LongNamesTests.cs
+++ b/Tests/FAnsiTests/Table/LongNamesTests.cs
@@ -2,6 +2,7 @@
 using FAnsi;
 using FAnsi.Discovery;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using TypeGuesser;
 
 namespace FAnsiTests.Table;
diff --git a/Tests/FAnsiTests/Table/TableValuedFunctionTests.cs b/Tests/FAnsiTests/Table/TableValuedFunctionTests.cs
index f86d50d7..bf26a26c 100644
--- a/Tests/FAnsiTests/Table/TableValuedFunctionTests.cs
+++ b/Tests/FAnsiTests/Table/TableValuedFunctionTests.cs
@@ -1,6 +1,7 @@
 using System.Linq;
 using FAnsi;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 
 namespace FAnsiTests.Table;
 
diff --git a/Tests/FAnsiTests/TypeTranslation/DatatypeComputerTests.cs b/Tests/FAnsiTests/TypeTranslation/DatatypeComputerTests.cs
index dcfcd46e..5c0c7b74 100644
--- a/Tests/FAnsiTests/TypeTranslation/DatatypeComputerTests.cs
+++ b/Tests/FAnsiTests/TypeTranslation/DatatypeComputerTests.cs
@@ -3,6 +3,7 @@
 using FAnsi.Discovery.TypeTranslation;
 using FAnsi.Implementations.MicrosoftSQL;
 using NUnit.Framework;
+using NUnit.Framework.Legacy;
 using TypeGuesser;
 
 namespace FAnsiTests.TypeTranslation;
diff --git a/Tests/FAnsiTests/TypeTranslation/TypeTranslaterTests.cs b/Tests/FAnsiTests/TypeTranslation/TypeTranslaterTests.cs
index 2b292b60..dc120754 100644
--- a/Tests/FAnsiTests/TypeTranslation/TypeTranslaterTests.cs
+++ b/Tests/FAnsiTests/TypeTranslation/TypeTranslaterTests.cs
@@ -245,10 +245,10 @@ private void RunKnownTypeTest(DatabaseType type, string sqlType, Type expectedTy
             Assert.Multiple(() =>
             {
                 //was the Type REQUESTED correct according to the test case expectation
-                Assert.That(tBefore, Is.EqualTo(expectedType), "We asked to create a '{0}', DBMS created a '{1}'.  FAnsi decided that '{0}' is '{2}' and that '{1}' is '{3}'", sqlType, col.DataType.SQLType, tBefore, tAfter);
+                Assert.That(tBefore, Is.EqualTo(expectedType), $"We asked to create a '{sqlType}', DBMS created a '{col.DataType.SQLType}'.  FAnsi decided that '{sqlType}' is '{tBefore}' and that '{col.DataType.SQLType}' is '{tAfter}'");
 
                 //Was the Type CREATED matching the REQUESTED type (as far as FAnsi is concerned)
-                Assert.That(tAfter, Is.EqualTo(tBefore), "We asked to create a '{0}', DBMS created a '{1}'.  FAnsi decided that '{0}' is '{2}' and that '{1}' is '{3}'", sqlType, col.DataType.SQLType, tBefore, tAfter);
+                Assert.That(tAfter, Is.EqualTo(tBefore), $"We asked to create a '{sqlType}', DBMS created a '{col.DataType.SQLType}'.  FAnsi decided that '{sqlType}' is '{tBefore}' and that '{col.DataType.SQLType}' is '{tAfter}'");
             });
 
             if (!string.Equals(col.DataType.SQLType,sqlType,StringComparison.CurrentCultureIgnoreCase))