Spark: Test parse LowCardinality column definition (#217)

* Spark: Test parse LowCardinality column definition

* nit

Author: pan3793

spark-3.3/clickhouse-spark/src/test/scala/org/apache/spark/sql/clickhouse/SchemaUtilsSuite.scala

@@ -162,6 +162,21 @@ class SchemaUtilsSuite extends AnyFunSuite {
       "FixedString(5)",
       StringType,
       nullable = false
+    ),
+    TestBean(
+      "LowCardinality(String)",
+      StringType,
+      nullable = false
+    ),
+    TestBean(
+      "LowCardinality(FixedString(5))",
+      StringType,
+      nullable = false
+    ),
+    TestBean(
+      "LowCardinality(Int32)", // illegal actually
+      IntegerType,
+      nullable = false
     )
   )