diff --git a/.gitignore b/.gitignore
index 66540a8..b34e284 100644
--- a/.gitignore
+++ b/.gitignore
@@ -262,3 +262,6 @@ pkg/
 pkgobj/
 /Code/Npoi.Samples.CreateNewSpreadsheet/newbook.core.xlsx
 *.ppt
+*.opc
+*.zip
+*.ole2
diff --git a/src/Npoi.Core.Ooxml/XSSF/UserModel/XSSFTextParagraph.cs b/src/Npoi.Core.Ooxml/XSSF/UserModel/XSSFTextParagraph.cs
index 685f397..928ff47 100644
--- a/src/Npoi.Core.Ooxml/XSSF/UserModel/XSSFTextParagraph.cs
+++ b/src/Npoi.Core.Ooxml/XSSF/UserModel/XSSFTextParagraph.cs
@@ -358,6 +358,13 @@ namespace Npoi.Core.XSSF.UserModel
             }
         }
 
+              
+        public int GetLevel() {
+            CT_TextParagraphProperties pr = _p.pPr;
+            if (pr == null) return 0;
+            return pr.lvl;
+        }
+
         /**
          *
          * @return the color of bullet characters within a given paragraph.
@@ -368,19 +375,6 @@ namespace Npoi.Core.XSSF.UserModel
         {
             get
             {
-                //ParagraphPropertyFetcher<Color> fetcher = new ParagraphPropertyFetcher<Color>(getLevel()){
-                //    public bool fetch(CTTextParagraphProperties props){
-                //        if(props.IsSetBuClr()){
-                //            if(props.GetBuClr().IsSetSrgbClr()){
-                //                CTSRgbColor clr = props.GetBuClr().GetSrgbClr();
-                //                byte[] rgb = clr.GetVal();
-                //                SetValue(new Color(0xFF & rgb[0], 0xFF & rgb[1], 0xFF & rgb[2]));
-                //                return true;
-                //            }
-                //        }
-                //        return false;
-                //    }
-                //};
                 ParagraphPropertyFetcherBulletFontColor fetcher = new ParagraphPropertyFetcherBulletFontColor(Level);
                 fetchParagraphProperty(fetcher);
                 return fetcher.GetValue();
diff --git a/test/Npoi.Core.Ooxml.TestCases/SS/Formula/Eval/TestXSSFCircularReferences.cs b/test/Npoi.Core.Ooxml.TestCases/SS/Formula/Eval/TestXSSFCircularReferences.cs
index 583ed0f..1b66ef8 100644
--- a/test/Npoi.Core.Ooxml.TestCases/SS/Formula/Eval/TestXSSFCircularReferences.cs
+++ b/test/Npoi.Core.Ooxml.TestCases/SS/Formula/Eval/TestXSSFCircularReferences.cs
@@ -26,7 +26,6 @@ namespace Npoi.Core.SS.Formula.Eval
      *
      * @author Josh Micich
      */
-
     [TestFixture]
     public class TestXSSFCircularReferences : BaseTestCircularReferences
     {
diff --git a/test/Npoi.Core.Ooxml.TestCases/appsettings.json b/test/Npoi.Core.Ooxml.TestCases/appsettings.json
new file mode 100644
index 0000000..0ce719b
--- /dev/null
+++ b/test/Npoi.Core.Ooxml.TestCases/appsettings.json
@@ -0,0 +1,3 @@
+{
+  "POI.testdata.path": "..\\test-data"
+}
\ No newline at end of file
diff --git a/test/Npoi.Core.Ooxml.TestCases/project.json b/test/Npoi.Core.Ooxml.TestCases/project.json
index fe647f8..40c29ec 100644
--- a/test/Npoi.Core.Ooxml.TestCases/project.json
+++ b/test/Npoi.Core.Ooxml.TestCases/project.json
@@ -7,7 +7,9 @@
     "Npoi.Core.Ooxml": "1.1.0-*",
     "SharpZipLib.NETStandard": "0.86.0.1",
     "NUnit": "3.5.0",
-    "dotnet-test-nunit": "3.4.0-beta-3"
+    "dotnet-test-nunit": "3.4.0-beta-3",
+    "Microsoft.Extensions.Configuration": "1.1.0",
+    "Microsoft.Extensions.Configuration.Json": "1.1.0"
   },
 
   "frameworks": {
diff --git a/test/Npoi.Core.OpenXml4Net.Tests/appsettings.json b/test/Npoi.Core.OpenXml4Net.Tests/appsettings.json
index 9466f3f..0ce719b 100644
--- a/test/Npoi.Core.OpenXml4Net.Tests/appsettings.json
+++ b/test/Npoi.Core.OpenXml4Net.Tests/appsettings.json
@@ -1,3 +1,3 @@
 {
-  "POI.testdata.path": "..\\..\\..\\Npoi.Core.OpenXml4Net.Tests\\test-data"
+  "POI.testdata.path": "..\\test-data"
 }
\ No newline at end of file
diff --git a/test/Npoi.Core.OpenXml4Net.Tests/project.json b/test/Npoi.Core.OpenXml4Net.Tests/project.json
index 7ef1a07..9951f3b 100644
--- a/test/Npoi.Core.OpenXml4Net.Tests/project.json
+++ b/test/Npoi.Core.OpenXml4Net.Tests/project.json
@@ -2,7 +2,6 @@
   "version": "1.1.0-*",
   "buildOptions": { "nowarn": [ "CS0168", "CS0618", "CS0162" ] },
   "dependencies": {
-    "Microsoft.Extensions.Configuration": "1.1.0",
     "Npoi.Core": "1.1.0-*",
     "Npoi.Core.Ooxml": "1.1.0-*",
     "Npoi.Core.OpenXml4Net": "1.1.0-*",
@@ -10,6 +9,7 @@
     "NUnit": "3.5.0",
     "dotnet-test-nunit": "3.4.0-beta-3",
     "System.Xml.XmlDocument": "4.3.0",
+    "Microsoft.Extensions.Configuration": "1.1.0",
     "Microsoft.Extensions.Configuration.Json": "1.1.0"
   },
 
diff --git a/test/Npoi.Core.TestCases/POIDataSamples.cs b/test/Npoi.Core.TestCases/POIDataSamples.cs
index fe43419..d0e7f00 100644
--- a/test/Npoi.Core.TestCases/POIDataSamples.cs
+++ b/test/Npoi.Core.TestCases/POIDataSamples.cs
@@ -115,7 +115,7 @@ namespace TestCases
             //  Some of the tests are depending on the american culture.
             TestCases.CultureShim.SetCurrentCulture("en-US");
 
-            string dataDirName = TestCases.AppSettingsShim.GetSetting(TEST_PROPERTY);
+            string dataDirName = AppSettingsShim.GetSetting(TEST_PROPERTY);
 
             if (dataDirName == null)
                 throw new Exception("Must set system property '"
diff --git a/test/Npoi.Core.TestCases/Shim/CultureShim.cs b/test/Npoi.Core.TestCases/Shim/CultureShim.cs
index 856eed4..cf90c8a 100644
--- a/test/Npoi.Core.TestCases/Shim/CultureShim.cs
+++ b/test/Npoi.Core.TestCases/Shim/CultureShim.cs
@@ -1,5 +1,7 @@
-using System;
+using Microsoft.Extensions.Configuration;
+using System;
 using System.Globalization;
+using System.IO;
 using System.Text;
 
 namespace TestCases
@@ -8,20 +10,27 @@ namespace TestCases
 	{
 		public static StringComparison InvariantCultureIgnoreCase => StringComparison.OrdinalIgnoreCase;
 	}
+
+
 	public class EncodingShim
 	{
 		public static Encoding Default => Encoding.UTF8;
 	}
+
+
 	public class AppSettingsShim
 	{
 		public static string GetSetting(string name)
 		{
-            if ("POI.testdata.path" == name) {
-                return AppContext.BaseDirectory;
-            }
-			throw new NotImplementedException();
+            var build =  new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("appsettings.json").Build();
+
+            return build.GetSection("POI.testdata.path").Value;
 		}
 	}
+
+
 	public class CultureShim
 	{
 		public static CultureInfo InstalledUICulture => CultureInfo.CurrentUICulture;
diff --git a/test/Npoi.Core.TestCases/appsettings.json b/test/Npoi.Core.TestCases/appsettings.json
new file mode 100644
index 0000000..0ce719b
--- /dev/null
+++ b/test/Npoi.Core.TestCases/appsettings.json
@@ -0,0 +1,3 @@
+{
+  "POI.testdata.path": "..\\test-data"
+}
\ No newline at end of file
diff --git a/test/Npoi.Core.TestCases/project.json b/test/Npoi.Core.TestCases/project.json
index 102f939..9353913 100644
--- a/test/Npoi.Core.TestCases/project.json
+++ b/test/Npoi.Core.TestCases/project.json
@@ -7,9 +7,9 @@
   "dependencies": {
     "NUnit": "3.5.0",
     "dotnet-test-nunit": "3.4.0-beta-3",
-    // "NETStandard.Library": "1.6.0",
-    "Npoi.Core": "1.1.0-*"
-    //"nunit": "3.2.1"
+    "Npoi.Core": "1.1.0-*",
+    "Microsoft.Extensions.Configuration": "1.1.0",
+    "Microsoft.Extensions.Configuration.Json": "1.1.0"
   },
 
   "frameworks": {