The BaseTestCase ensures, that the threadLocal is cleared after each test. (#1712)

* The BaseTestCase ensures, that the threadLocal is cleared after each test.

* Change JdbcTransaction.toString to distingush between active and inactive transaction

src/main/java/io/ebeaninternal/server/transaction/DefaultTransactionThreadLocal.java

@@ -75,6 +75,14 @@ public final class DefaultTransactionThreadLocal {
     return local.get().get(serverName);
   }
 
+  /**
+   * Return all transactions of the current thread (active/inactive).
+   * This is intended for test/debugging purposes only!
+   */
+  public static Map<String, SpiTransaction> currentTransactions() {
+    return local.get();
+  }
+
   private static SpiTransaction obtain(String serverName) {
     SpiTransaction transaction = local.get().remove(serverName);
     if (transaction == null) {

src/main/java/io/ebeaninternal/server/transaction/JdbcTransaction.java

@@ -314,7 +314,11 @@ public class JdbcTransaction implements SpiTransaction, TxnProfileEventCodes {
 
   @Override
   public String toString() {
-    return logPrefix;
+    if (active) {
+      return logPrefix;
+    } else {
+      return logPrefix + "(inactive)";
+    }
   }
 
   @Override