Remove unused import

h2/src/test/org/h2/test/unit/TestDataPage.java

@@ -7,11 +7,11 @@
 package org.h2.test.unit;
 
 import java.math.BigDecimal;
-import java.sql.Connection;
 import java.sql.Date;
 import java.sql.Time;
 import java.sql.Timestamp;
 import java.sql.Types;
+
 import org.h2.api.JavaObjectSerializer;
 import org.h2.store.Data;
 import org.h2.store.DataHandler;

h2/src/test/org/h2/test/unit/TestFile.java

@@ -6,8 +6,8 @@
  */
 package org.h2.test.unit;
 
-import java.sql.Connection;
 import java.util.Random;
+
 import org.h2.api.JavaObjectSerializer;
 import org.h2.store.DataHandler;
 import org.h2.store.FileStore;

h2/src/test/org/h2/test/unit/TestValueHashMap.java

@@ -6,12 +6,12 @@
  */
 package org.h2.test.unit;
 
-import java.sql.Connection;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Random;
+
 import org.h2.api.JavaObjectSerializer;
 import org.h2.store.DataHandler;
 import org.h2.store.FileStore;

h2/src/test/org/h2/test/unit/TestValueMemory.java

@@ -9,11 +9,11 @@ package org.h2.test.unit;
 import java.io.ByteArrayInputStream;
 import java.io.StringReader;
 import java.math.BigDecimal;
-import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.IdentityHashMap;
 import java.util.Random;
+
 import org.h2.api.JavaObjectSerializer;
 import org.h2.engine.Constants;
 import org.h2.store.DataHandler;