Adds an assert to confirm that QUIC's session flow control window is

net/quic/test_tools/quic_test_utils.h

Index: net/quic/test_tools/quic_test_utils.h
diff --git a/net/quic/test_tools/quic_test_utils.h b/net/quic/test_tools/quic_test_utils.h
index 56ef13d22d23f69c29f21e67dabaacdff97e539e..b88ac84480d85cb2ddd089aa6d35b733ee4eea2d 100644
--- a/net/quic/test_tools/quic_test_utils.h
+++ b/net/quic/test_tools/quic_test_utils.h
@@ -34,10 +34,9 @@ namespace test {
 static const QuicConnectionId kTestConnectionId = 42;
 static const uint16 kTestPort = 123;
 static const uint32 kInitialStreamFlowControlWindowForTest =
-    32 * 1024;  // 32 KB
+    1024 * 1024;  // 1 MB
 static const uint32 kInitialSessionFlowControlWindowForTest =
-    64 * 1024;  // 64 KB
-
+    1536 * 1024;  // 1.5 MB
 // Data stream IDs start at 5: the crypto stream is 1, headers stream is 3.
 static const QuicStreamId kClientDataStreamId1 = 5;
 static const QuicStreamId kClientDataStreamId2 = 7;