Fix failing integration tests due to refactoring

Author: gmarz

src/Tests/Nest.Tests.Integration/Connection/Failover/SniffTests.cs

@@ -18,7 +18,7 @@ public class SniffTests : IntegrationTests
 		[Test]
 		public void IndexExistShouldNotThrowOn404()
 		{
-			var host = ElasticsearchConfiguration.DefaultIndex;
+			var host = ElasticsearchConfiguration.Host;
 			if (Process.GetProcessesByName("fiddler").Any())
 				host = "ipv4.fiddler";
 			var connectionPool = new SniffingConnectionPool(new[] { new Uri("http://{0}:9200".F(host)) });

src/Tests/Nest.Tests.Integration/Reproduce/Reproduce723Tests.cs

@@ -33,7 +33,7 @@ public void GetInvalidIndexShouldReturnNull()
 		public void GetInvalidIndexShouldThrow_OnClientThatThrows()
 		{
 			const string indexName = "indexthatdoesnotexist";
-			var e = Assert.Throws<ElasticsearchServerException>(() => this.Client.Source<ElasticsearchProject>(4, indexName));
+			var e = Assert.Throws<ElasticsearchServerException>(() => this.ClientThatThrows.Source<ElasticsearchProject>(4, indexName));
 			e.ExceptionType.Should().Be("IndexMissingException");
 
 		}