diff --git a/RhSolutions.Tests/CanReadProducts.cs b/RhSolutions.Tests/CanReadProducts.cs
index 5973017..e796da0 100644
--- a/RhSolutions.Tests/CanReadProducts.cs
+++ b/RhSolutions.Tests/CanReadProducts.cs
@@ -15,7 +15,7 @@ public class CanReadProducts : IDisposable
         _addIn = new();
         _testWorkbook = Util.Application.Workbooks.Add();
         _addIn.AutoOpen();
-        _reader = RhSolutionsAddIn.ServiceProvider.GetRequiredService<IReader>();
+        _reader = new ExcelReader(Util.Application, RhSolutionsAddIn.Configuration);
     }
 
     [ExcelFact]
diff --git a/RhSolutions.Tests/CanWriteProducts.cs b/RhSolutions.Tests/CanWriteProducts.cs
index 33df1f8..d53931d 100644
--- a/RhSolutions.Tests/CanWriteProducts.cs
+++ b/RhSolutions.Tests/CanWriteProducts.cs
@@ -14,7 +14,7 @@ public class CanWriteProducts : IDisposable
     {
         _addIn = new();
         _addIn.AutoOpen();
-        _reader = RhSolutionsAddIn.ServiceProvider.GetRequiredService<IReader>();
+        _reader = new ExcelReader(Util.Application, RhSolutionsAddIn.Configuration);
     }
 
     [ExcelFact(Workbook = @"..\..\..\TestWorkbooks\TestSpecification.xlsx")]
diff --git a/RhSolutions.Tests/RealPricelistTest.cs b/RhSolutions.Tests/RealPricelistTest.cs
index 37a9bc4..ba8cb68 100644
--- a/RhSolutions.Tests/RealPricelistTest.cs
+++ b/RhSolutions.Tests/RealPricelistTest.cs
@@ -14,7 +14,7 @@ public class RealPricelistTest : IDisposable
     {
         _addIn = new();
         _addIn.AutoOpen();
-        _reader = RhSolutionsAddIn.ServiceProvider.GetRequiredService<IReader>();
+        _reader = new ExcelReader(Util.Application, RhSolutionsAddIn.Configuration);
     }
 
     [ExcelFact(Workbook = @"..\..\..\TestWorkbooks\RealTestSpecification.xlsm")]