getLivenessCheckPortNumbers() should return mapped port

modules/mssqlserver/src/main/java/org/testcontainers/containers/MSSQLServerContainer.java

@@ -64,7 +64,7 @@ public MSSQLServerContainer(final DockerImageName dockerImageName) {
 
     @Override
     public Set<Integer> getLivenessCheckPortNumbers() {
-        return Sets.newHashSet(MS_SQL_SERVER_PORT);
+        return Sets.newHashSet(getMappedPort(MS_SQL_SERVER_PORT));
     }
 
     @Override

modules/mssqlserver/src/test/java/org/testcontainers/junit/mssqlserver/SimpleMSSQLServerTest.java

@@ -3,6 +3,7 @@
 import org.junit.Test;
 import org.testcontainers.MSSQLServerTestImages;
 import org.testcontainers.containers.MSSQLServerContainer;
+import org.testcontainers.containers.wait.strategy.Wait;
 import org.testcontainers.db.AbstractContainerDatabaseTest;
 
 import java.sql.ResultSet;
@@ -64,4 +65,14 @@ public void testSetupDatabase() throws SQLException {
             assertThat(resultSetInt).as("A basic SELECT query succeeds").isEqualTo(3);
         }
     }
+
+    @Test
+    public void testListeningPortWaitStrategy() throws Exception {
+        try (
+            MSSQLServerContainer<?> mssqlServer = new MSSQLServerContainer<>(MSSQLServerTestImages.MSSQL_SERVER_IMAGE)
+        ) {
+            mssqlServer.start();
+            Wait.forListeningPort().waitUntilReady(mssqlServer);
+        }
+    }
 }