Fix format

Author: eddumelendez

modules/k6/src/test/java/org/testcontainers/k6/K6ContainerTests.java

@@ -23,7 +23,7 @@ void k6StandardTest() throws Exception {
         ) {
             container.start();
 
-			// wait {
+            // wait {
             WaitingConsumer consumer = new WaitingConsumer();
             container.followOutput(consumer);
 
@@ -35,7 +35,7 @@ void k6StandardTest() throws Exception {
                 3,
                 TimeUnit.SECONDS
             );
-			// }
+            // }
 
             assertThat(container.getLogs()).contains("k6 tests are cool!");
         }