Use snappy instead of lz4 from jar conflict issues in 2.3+

Author: holdenk

build.sbt

@@ -4,7 +4,7 @@ name := "spark-testing-base"
 
 publishMavenStyle := true
 
-version := "0.10.0"
+version := "0.11.0"
 
 sparkVersion := "2.4.0"
 

src/main/2.0/scala/com/holdenkarau/spark/testing/DataFrameSuiteBase.scala

@@ -75,6 +75,8 @@ trait DataFrameSuiteBaseLike extends SparkContextProvider
       val localWarehousePath = new File(tempDir, "wharehouse").getCanonicalPath
       def newBuilder() = {
         val builder = SparkSession.builder()
+        // Long story with lz4 issues in 2.3+
+        builder.config("spark.io.compression.codec", "snappy")
         // We have to mask all properties in hive-site.xml that relates to metastore
         // data source as we used a local metastore here.
         if (enableHiveSupport) {