import org.junit.BeforeClass;
import org.junit.Test;
import java.math.BigInteger;
import java.util.Arrays;
public class TransactionStoreTest {
<BUG>@BeforeClass
public static void setup() {
SystemProperties.getDefault().setBlockchainConfig(new FrontierConfig(new FrontierConfig.FrontierConstants() {
@Override
public BigInteger getMINIMUM_DIFFICULTY() {
return BigInteger.ONE;
}
}));
}</BUG>
@AfterClass

import org.junit.BeforeClass;
import org.junit.Test;
import java.math.BigInteger;
import java.util.Arrays;
public class TransactionStoreTest {
@AfterClass
