HSEARCH-3644 Rename FailingBootIT to BootstrapFailureIT

Just so we can introduce other boot tests with consistent naming.

integrationtest/mapper/orm/src/test/java/org/hibernate/search/integrationtest/mapper/orm/bootstrap/FailingBootIT.java → integrationtest/mapper/orm/src/test/java/org/hibernate/search/integrationtest/mapper/orm/bootstrap/BootstrapFailureIT.java

@@ -24,7 +24,7 @@
  * Check that a failing boot correctly propagates exceptions,
  * despite the complex asynchronous code used during boot.
  */
-public class FailingBootIT {
+public class BootstrapFailureIT {
 
 	private static final String INDEX_NAME = "IndexName";