no longer necessary to suppress ktlint for TestBase

Author: Jolanrensen

core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/samples/api/TestBase.kt

@@ -1,12 +1,11 @@
-@file:Suppress("ktlint")
-
 package org.jetbrains.kotlinx.dataframe.samples.api
 
 import io.kotest.matchers.should
 import io.kotest.matchers.shouldBe
 import io.kotest.matchers.shouldNotBe
 import org.jetbrains.kotlinx.dataframe.DataRow
 import org.jetbrains.kotlinx.dataframe.annotations.DataSchema
+import org.jetbrains.kotlinx.dataframe.api.asColumn
 import org.jetbrains.kotlinx.dataframe.api.asColumnGroup
 import org.jetbrains.kotlinx.dataframe.api.cast
 import org.jetbrains.kotlinx.dataframe.api.convert
@@ -16,7 +15,6 @@ import org.jetbrains.kotlinx.dataframe.api.into
 import org.jetbrains.kotlinx.dataframe.api.isValueColumn
 import org.jetbrains.kotlinx.dataframe.api.map
 import org.jetbrains.kotlinx.dataframe.api.print
-import org.jetbrains.kotlinx.dataframe.api.asColumn
 import org.jetbrains.kotlinx.dataframe.api.to
 import org.jetbrains.kotlinx.dataframe.columns.ColumnWithPath
 import org.jetbrains.kotlinx.dataframe.explainer.PluginCallbackProxy