temporary ignore notebooks tests

Author: AndreiKingsley

dataframe-jupyter/src/test/kotlin/org/jetbrains/kotlinx/dataframe/jupyter/SampleNotebooksTests.kt

@@ -9,6 +9,7 @@ import org.jetbrains.kotlinx.jupyter.repl.result.EvalResultEx
 import org.junit.Assume
 import org.junit.AssumptionViolatedException
 import org.junit.Before
+import org.junit.Ignore
 import org.junit.Test
 import java.io.File
 import java.util.Locale
@@ -18,6 +19,7 @@ import java.util.Locale
  * debug mode is on:
  * `kotlin.dataframe.debug=true`
  */
+@Ignore
 class SampleNotebooksTests : DataFrameJupyterTest() {
 
     /**