Address comment

Author: dongjoon-hyun

Tests/SparkConnectTests/DataFrameTests.swift

@@ -129,8 +129,11 @@ struct DataFrameTests {
     let spark = try await SparkSession.builder.getOrCreate()
     let df1 = try await spark.range(1)
     let df2 = try await spark.range(1)
+    let df3 = try await spark.range(2)
     #expect(try await df1.sameSemantics(other: df2))
     #expect(try await df1.semanticHash() == df2.semanticHash())
+    #expect(try await df1.sameSemantics(other: df3) == false)
+    #expect(try await df1.semanticHash() != df3.semanticHash())
     await spark.stop()
   }