Remove unused imports

Change-Id: I9c8e3204bb8403a2177b2bcb5897826012309b84
diff --git a/src/test/java/com/google/gwtorm/client/IntKeyTestCase.java b/src/test/java/com/google/gwtorm/client/IntKeyTestCase.java
index a2632d2..0a4ff44 100644
--- a/src/test/java/com/google/gwtorm/client/IntKeyTestCase.java
+++ b/src/test/java/com/google/gwtorm/client/IntKeyTestCase.java
@@ -20,8 +20,6 @@
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
 
-import junit.framework.TestCase;
-
 import org.junit.Before;
 import org.junit.Test;
 
diff --git a/src/test/java/com/google/gwtorm/schema/sql/DialectH2Test.java b/src/test/java/com/google/gwtorm/schema/sql/DialectH2Test.java
index aa5f847..bb3d21b 100644
--- a/src/test/java/com/google/gwtorm/schema/sql/DialectH2Test.java
+++ b/src/test/java/com/google/gwtorm/schema/sql/DialectH2Test.java
@@ -28,8 +28,6 @@
 import com.google.gwtorm.jdbc.SimpleDataSource;
 import com.google.gwtorm.server.OrmException;
 
-import junit.framework.TestCase;
-
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;