fixed the oe integration test failing in appveyor (#339)

* fixed the oe integration test failing in appveyor

test/Microsoft.SqlTools.ServiceLayer.IntegrationTests/ObjectExplorer/ObjectExplorerServiceTests.cs

@@ -208,7 +208,7 @@ namespace Microsoft.SqlTools.ServiceLayer.IntegrationTests.ObjectExplorer
             }
             catch (Exception ex)
             {
-                Console.WriteLine($"Failed to run OE test. uri:{uri} error:{ex.Message}");
+                Console.WriteLine($"Failed to run OE test. uri:{uri} error:{ex.Message} {ex.StackTrace}");
                 Assert.False(true, ex.Message);
             }
             finally

test/Microsoft.SqlTools.ServiceLayer.Test.Common/TestData/ObjectExplorer/Baselines/AllSqlObjects.txt

@@ -1,3 +1,6 @@
+NodeType: Table Label: dbo.tableWithColumnset
+NodeType: Column Label: i (int, null)
+NodeType: Column Label: cs (Column Set, null)
 NodeType: Table Label: Employee_Temporal (System-Versioned)
 NodeType: Column Label: BusinessEntityID (PK, int, not null)
 NodeType: Column Label: NationalIDNumber (nvarchar(15), not null)

test/Microsoft.SqlTools.ServiceLayer.Test.Common/TestData/ObjectExplorer/TestScripts/AllSqlObjects.sql

@@ -389,4 +389,6 @@
 	[LoginID] ASC
 )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
 GO
-
+
+/****** Column Set ***/
+CREATE TABLE tableWithColumnset (i int SPARSE, cs xml column_set FOR ALL_SPARSE_COLUMNS);