Make RetryTemplate timeout tests more robust

See gh-35963

Author: sbrannen

spring-core/src/test/java/org/springframework/core/retry/RetryTemplateTests.java

@@ -517,7 +517,7 @@ void retryWithTimeoutExceededAfterFirstDelayButBeforeFirstRetry() throws Excepti
 @Test
 void retryWithTimeoutExceededAfterFirstRetry() throws Exception {
 RetryPolicy retryPolicy = RetryPolicy.builder()
-.timeout(Duration.ofMillis(5))
+.timeout(Duration.ofMillis(20))
 .delay(Duration.ZERO)
 .build();
 RetryTemplate retryTemplate = new RetryTemplate(retryPolicy);
@@ -527,15 +527,15 @@ void retryWithTimeoutExceededAfterFirstRetry() throws Exception {
 Retryable<String> retryable = () -> {
 int currentInvocation = invocationCount.incrementAndGet();
 if (currentInvocation == 2) {
-Thread.sleep(10);
+Thread.sleep(50);
 }
 throw new CustomException("Boom " + currentInvocation);
 };
 
 assertThat(invocationCount).hasValue(0);
 assertThatExceptionOfType(RetryException.class)
 .isThrownBy(() -> retryTemplate.execute(retryable))
-.withMessageMatching("Retry policy for operation '.+?' exceeded timeout \\(5 ms\\); aborting execution")
+.withMessageMatching("Retry policy for operation '.+?' exceeded timeout \\(20 ms\\); aborting execution")
 .withCause(new CustomException("Boom 2"))
 .satisfies(throwable -> {
 inOrder.verify(retryListener).beforeRetry(retryPolicy, retryable);
@@ -552,7 +552,7 @@ void retryWithTimeoutExceededAfterFirstRetry() throws Exception {
 @Test
 void retryWithTimeoutExceededAfterSecondRetry() throws Exception {
 RetryPolicy retryPolicy = RetryPolicy.builder()
-.timeout(Duration.ofMillis(5))
+.timeout(Duration.ofMillis(20))
 .delay(Duration.ZERO)
 .build();
 RetryTemplate retryTemplate = new RetryTemplate(retryPolicy);
@@ -562,15 +562,15 @@ void retryWithTimeoutExceededAfterSecondRetry() throws Exception {
 Retryable<String> retryable = () -> {
 int currentInvocation = invocationCount.incrementAndGet();
 if (currentInvocation == 3) {
-Thread.sleep(10);
+Thread.sleep(50);
 }
 throw new CustomException("Boom " + currentInvocation);
 };
 
 assertThat(invocationCount).hasValue(0);
 assertThatExceptionOfType(RetryException.class)
 .isThrownBy(() -> retryTemplate.execute(retryable))
-.withMessageMatching("Retry policy for operation '.+?' exceeded timeout \\(5 ms\\); aborting execution")
+.withMessageMatching("Retry policy for operation '.+?' exceeded timeout \\(20 ms\\); aborting execution")
 .withCause(new CustomException("Boom 3"))
 .satisfies(throwable -> {
 var counter = new AtomicInteger(1);