--- a/tests/OnClientTester.java
+++ b/tests/OnClientTester.java
@@ -725,10 +725,19 @@ public final class OnClientTester {
 		initTest("test_FailUploadLate");
 		prepare();
 		MyUploadHandler handler = new MyUploadHandler(100, 50, "i don't like line 50");
+		handler.setChunkSize(99);
 		conn.setUploadHandler(handler);
 		expectError("COPY INTO foo FROM 'banana' ON CLIENT", "i don't like");
 		assertEq("cancellation callback called", false, handler.isCancelled());
 		assertEq("connection is closed", true, conn.isClosed());
+		try {
+			Thread.sleep(1000);
+		} catch (InterruptedException e) {
+
+		}
+		outBuffer.append("RECONNECT\n");
+		assertEq("reconnect succeeded", true, openConnection());
+		assertQueryInt("SELECT COUNT(*) FROM foo", 0);
 		exitTest();
 	}
 
@@ -752,6 +761,16 @@ public final class OnClientTester {
 		expectError("COPY INTO foo(t) FROM 'banana'(t) ON CLIENT", "after all");
 		assertEq("connection is closed", true, conn.isClosed());
 		// Cannot check the server log, but at the time I checked, it said "prematurely stopped client", which is fine.
+		try {
+			Thread.sleep(1000);
+		} catch (InterruptedException e) {
+
+		}
+
+		outBuffer.append("RECONNECT\n");
+		assertEq("reconnect succeeded", true, openConnection());
+		assertQueryInt("SELECT COUNT(*) FROM foo", 0);
+
 		exitTest();
 	}