Windows dtest 3.0: sstablesplit_test.py:TestSSTableSplit.split_test fails

-- ma-28-big-Data.db-----
Exception in thread "main" java.lang.NoClassDefFoundError: org/supercsv/prefs/CsvPreference$Builder
        at org.apache.cassandra.config.Config.<clinit>(Config.java:240)
        at org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:105)
        at org.apache.cassandra.service.StorageService.getPartitioner(StorageService.java:220)
        at org.apache.cassandra.service.StorageService.<init>(StorageService.java:206)
        at org.apache.cassandra.service.StorageService.<clinit>(StorageService.java:211)
        at org.apache.cassandra.schema.LegacySchemaTables.getSchemaPartitionsForTable(LegacySchemaTables.java:295)
        at org.apache.cassandra.schema.LegacySchemaTables.readSchemaFromSystemTables(LegacySchemaTables.java:210)
        at org.apache.cassandra.config.Schema.loadFromDisk(Schema.java:108)
        at org.apache.cassandra.tools.StandaloneSplitter.main(StandaloneSplitter.java:58)
Caused by: java.lang.ClassNotFoundException: org.supercsv.prefs.CsvPreference$Builder
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 9 more
Number of sstables after split: 1. expected 21.0

21.0 not less than or equal to 2

and

[node1 ERROR] Exception calling "CompareTo" with "1" argument(s): "Object must be of type 
String."
At D:\temp\dtest-i3xwjx\test\node1\conf\cassandra-env.ps1:336 char:9
+     if ($env:JVM_VERSION.CompareTo("1.8.0_40" -eq -1))
+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : ArgumentException
-- ma-28-big-Data.db-----