Fix TestMVTableEngine.testTransactionLogUsuallyNotStored()

h2/src/test/org/h2/test/store/TestMVTableEngine.java

@@ -76,7 +76,7 @@ public class TestMVTableEngine extends TestDb {
         testMinMaxWithNull();
         testTimeout();
         testExplainAnalyze();
-        testTransactionLogUsuallyNotStored();
+        testTransactionLogEmptyAfterCommit();
         testShrinkDatabaseFile();
         testTwoPhaseCommit();
         testRecover();
@@ -642,17 +642,16 @@ public class TestMVTableEngine extends TestDb {
         conn.close();
     }
 
-    private void testTransactionLogUsuallyNotStored() throws Exception {
+    private void testTransactionLogEmptyAfterCommit() throws Exception {
         Connection conn;
         Statement stat;
-        // we expect the transaction log is empty in at least some of the cases
-        for (int test = 0; test < 5; test++) {
         deleteDb(getTestName());
         String url = getTestName() + ";MV_STORE=TRUE";
         url = getURL(url, true);
         conn = getConnection(url);
         stat = conn.createStatement();
         stat.execute("create table test(id identity, name varchar)");
+        stat.execute("set write_delay 0");
         conn.setAutoCommit(false);
         PreparedStatement prep = conn.prepareStatement(
                 "insert into test(name) values(space(10000))");
@@ -673,11 +672,9 @@ public class TestMVTableEngine extends TestDb {
         t.init();
         int openTransactions = t.getOpenTransactions().size();
         store.close();
-            if (openTransactions == 0) {
-                return;
-            }
+        if (openTransactions != 0) {
+            fail("transaction log was not empty");
         }
-        fail("transaction log was never empty");
     }
 
     private void testShrinkDatabaseFile() throws Exception {