Fix BigIntegerConvertTest package name

Change-Id: I32c78d6834bd7abd048bd273973d90502a6d9d8e
diff --git a/user/test/com/google/gwt/emultest/java8/math/BigIntegerConvertTest.java b/user/test/com/google/gwt/emultest/java8/math/BigIntegerConvertTest.java
index e21ac63..f33a461 100644
--- a/user/test/com/google/gwt/emultest/java8/math/BigIntegerConvertTest.java
+++ b/user/test/com/google/gwt/emultest/java8/math/BigIntegerConvertTest.java
@@ -35,7 +35,7 @@
 /**
  * author Elena Semukhina
  */
-package com.google.gwt.emultest.java.math;
+package com.google.gwt.emultest.java8.math;
 
 import com.google.gwt.emultest.java.util.EmulTestBase;