Open and close connection for each DataTypes test.

This makes individual tests more isolated: they don't depend on the state of a previous test.

Author: bgrainger

tests/SideBySide/DataTypes.cs

@@ -22,11 +22,17 @@
 
 namespace SideBySide
 {
-	public class DataTypes : IClassFixture<DataTypesFixture>
+	public class DataTypes : IClassFixture<DataTypesFixture>, IDisposable
 	{
 		public DataTypes(DataTypesFixture database)
 		{
 			m_database = database;
+			m_database.Connection.Open();
+		}
+
+		public void Dispose()
+		{
+			m_database.Connection.Close();
 		}
 
 		[Theory]

tests/SideBySide/DataTypesFixture.cs

@@ -1,4 +1,4 @@
-using Dapper;
+using Dapper;
 
 namespace SideBySide
 {
@@ -220,6 +220,7 @@ insert into datatypes_json_core (value)
   ('{""a"": ""b""}');
 ");
 			}
+			Connection.Close();
 		}
 	}
 }