Add AutoTablesAmount tests for range sharding algorithm (#5977)

shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/strategy/algorithm/sharding/range/CustomRangeShardingAlgorithmTest.java

@@ -72,7 +72,7 @@ public final class CustomRangeShardingAlgorithmTest {
         assertTrue(actual.contains("t_order_3"));
     }
 
-    @Ignore
+    @Test
     public void assertGetAutoTablesAmount() {
         CustomRangeShardingAlgorithm shardingAlgorithm = new CustomRangeShardingAlgorithm();
         shardingAlgorithm.getProperties().setProperty("partition.ranges", "1,5,10");

shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-common/src/test/java/org/apache/shardingsphere/sharding/strategy/algorithm/sharding/range/StandardRangeShardingAlgorithmTest.java

@@ -77,7 +77,7 @@ public class StandardRangeShardingAlgorithmTest {
         assertTrue(actual.contains("t_order_5"));
     }
 
-    @Ignore
+    @Test
     public void assertGetAutoTablesAmount() {
         StandardRangeShardingAlgorithm shardingAlgorithm = new StandardRangeShardingAlgorithm();
         shardingAlgorithm.getProperties().setProperty("partition.lower", "10");