Apply suggestions from code review

Co-authored-by: John Viegas <70235430+joviegas@users.noreply.github.com>

Author: thornhillcody

services/sqs/src/test/java/software/amazon/awssdk/services/sqs/batchmanager/BatchingEfficiencyUnderLoadTest.java

@@ -85,7 +85,7 @@ void tearDown() {
      * Test runs heavy load and expects average batch sizes to be close to max.
      */
     @Test
-    void shouldEfficientlyBatchMessagesUnderHighLoad() throws Exception {
+    void sendMessage_whenHighLoadScenario_shouldEfficientlyBatchMessages() throws Exception {
         int expectedBatchSize = 25; // more than double the actual max of 10
         int rateLimit = 1000 / SEND_FREQUENCY_MILLIS * expectedBatchSize;
         int messageCount = rateLimit * 2; // run it for 2 seconds
@@ -127,7 +127,7 @@ void shouldEfficientlyBatchMessagesUnderHighLoad() throws Exception {
      * Test runs a load that should cause an average batch size of 5.
      */
     @Test
-    void shouldMakeHalfBatches() throws Exception {
+    void sendMessage_whenMediumLoadScenario_shouldCreateHalfSizeBatches() throws Exception {
         int expectedBatchSize = 5;
         int rateLimit = 1000 / SEND_FREQUENCY_MILLIS * expectedBatchSize;
         int messageCount = rateLimit * 2; // run it for 2 seconds
@@ -158,7 +158,7 @@ void shouldMakeHalfBatches() throws Exception {
     }
 
     @Test
-    void shouldMakeSmallBatches() throws Exception {
+    void sendMessage_whenLowLoadScenario_shouldCreateSmallBatches() throws Exception {
         int expectedBatchSize = 1;
         int rateLimit = 1000 / SEND_FREQUENCY_MILLIS * expectedBatchSize;
         int messageCount = rateLimit * 2; // run it for 2 seconds