Drop explicit zeroing at instantiation of Atomic* objects

spring-test/src/main/java/org/springframework/test/context/transaction/TransactionContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -55,7 +55,7 @@ class TransactionContext {
 	@Nullable
 	private TransactionStatus transactionStatus;
 
-	private final AtomicInteger transactionsStarted = new AtomicInteger(0);
+	private final AtomicInteger transactionsStarted = new AtomicInteger();
 
 
 	TransactionContext(TestContext testContext, PlatformTransactionManager transactionManager,