Fixed bugs of testcases;

source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/ContractInvokingTest.java

@@ -204,10 +204,9 @@ public class ContractInvokingTest {
 
 		assertEquals(0, block.getHeight());
 		assertNotNull(block.getHash());
+		assertNull(block.getLedgerHash());
 		assertNull(block.getPreviousHash());
 
-		assertEquals(block.getHash(), block.getLedgerHash());
-
 		// 提交数据，写入存储；
 		ldgEdt.commit();
 

source/ledger/ledger-core/src/test/java/test/com/jd/blockchain/ledger/LedgerEditorTest.java

@@ -146,10 +146,9 @@ public class LedgerEditorTest {
 
 		assertEquals(0, block.getHeight());
 		assertNotNull(block.getHash());
+		assertNull(block.getLedgerHash());
 		assertNull(block.getPreviousHash());
 
-		assertEquals(block.getHash(), block.getLedgerHash());
-
 		// 提交数据，写入存储；
 		ldgEdt.commit();