Fix PostGIS tests

Author: roji

test/EntityFramework6.Npgsql.Tests/Spatial/PostgisServiceTests.cs

@@ -1821,5 +1821,26 @@ public void InstanceTest()
                 Assert.Fail();
             }
         }
+
+        [OneTimeSetUp]
+        public new void TestFixtureSetup()
+        {
+            using (var context = new BloggingContext(ConnectionString))
+            {
+                if (!context.Database.Exists())
+                    context.Database.Create();
+            }
+
+            using (var conn = new NpgsqlConnection(ConnectionString))
+            {
+                conn.Open();
+                using (var cmd = new NpgsqlCommand("CREATE EXTENSION IF NOT EXISTS postgis", conn))
+                    cmd.ExecuteNonQuery();
+
+                // Need to also have Npgsql reload the types from the database
+                conn.ReloadTypes();
+                NpgsqlConnection.ClearPool(conn);
+            }
+        }
     }
 }

test/EntityFramework6.Npgsql.Tests/Support/EntityFrameworkTestBase.cs

@@ -41,9 +41,8 @@ namespace EntityFramework6.Npgsql.Tests
     public abstract class EntityFrameworkTestBase : TestBase
     {
         [OneTimeSetUp]
-        public override void TestFixtureSetup()
+        public new void TestFixtureSetup()
         {
-            base.TestFixtureSetup();
             using (var context = new BloggingContext(ConnectionString))
             {
                 if (context.Database.Exists())