[SPARK-22607][BUILD] Set large stack size consistently for tests to a…

…void StackOverflowError

## What changes were proposed in this pull request?

Set `-ea` and `-Xss4m` consistently for tests, to fix in particular:

```
OrderingSuite:
...
- GenerateOrdering with ShortType
*** RUN ABORTED ***
java.lang.StackOverflowError:
at org.codehaus.janino.CodeContext.flowAnalysis(CodeContext.java:370)
at org.codehaus.janino.CodeContext.flowAnalysis(CodeContext.java:541)
at org.codehaus.janino.CodeContext.flowAnalysis(CodeContext.java:541)
at org.codehaus.janino.CodeContext.flowAnalysis(CodeContext.java:541)
at org.codehaus.janino.CodeContext.flowAnalysis(CodeContext.java:541)
at org.codehaus.janino.CodeContext.flowAnalysis(CodeContext.java:541)
at org.codehaus.janino.CodeContext.flowAnalysis(CodeContext.java:541)
at org.codehaus.janino.CodeContext.flowAnalysis(CodeContext.java:541)
...
```

## How was this patch tested?

Existing tests. Manually verified it resolves the StackOverflowError this intends to resolve.

Author: Sean Owen <sowen@cloudera.com>

Closes #19820 from srowen/SPARK-22607.

pom.xml

@@ -2101,7 +2101,7 @@
               <include>**/*Suite.java</include>
             </includes>
             <reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
-            <argLine>-Xmx3g -Xss4096k -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
+            <argLine>-ea -Xmx3g -Xss4m -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
             <environmentVariables>
               <!--
                 Setting SPARK_DIST_CLASSPATH is a simple way to make sure any child processes
@@ -2150,7 +2150,7 @@
             <reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
             <junitxml>.</junitxml>
             <filereports>SparkTestSuite.txt</filereports>
-            <argLine>-ea -Xmx3g -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
+            <argLine>-ea -Xmx3g -Xss4m -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
             <stderr/>
             <environmentVariables>
               <!--

project/SparkBuild.scala

@@ -789,7 +789,7 @@ object TestSettings {
     javaOptions in Test ++= System.getProperties.asScala.filter(_._1.startsWith("spark"))
       .map { case (k,v) => s"-D$k=$v" }.toSeq,
     javaOptions in Test += "-ea",
-    javaOptions in Test ++= "-Xmx3g -Xss4096k"
+    javaOptions in Test ++= "-Xmx3g -Xss4m"
       .split(" ").toSeq,
     javaOptions += "-Xmx3g",
     // Exclude tags defined in a system property

sql/catalyst/pom.xml

@@ -134,7 +134,7 @@
         <groupId>org.scalatest</groupId>
         <artifactId>scalatest-maven-plugin</artifactId>
         <configuration>
-          <argLine>-Xmx4g -Xss4096k -XX:MaxPermSize=${MaxPermGen} -XX:ReservedCodeCacheSize=512m</argLine>
+          <argLine>-ea -Xmx4g -Xss4m -XX:MaxPermSize=${MaxPermGen} -XX:ReservedCodeCacheSize=512m</argLine>
         </configuration>
       </plugin>
       <plugin>

sql/core/pom.xml

@@ -195,7 +195,7 @@
         <groupId>org.scalatest</groupId>
         <artifactId>scalatest-maven-plugin</artifactId>
         <configuration>
-          <argLine>-Xmx4g -Xss4096k -XX:MaxPermSize=${MaxPermGen} -XX:ReservedCodeCacheSize=512m</argLine>
+          <argLine>-ea -Xmx4g -Xss4m -XX:MaxPermSize=${MaxPermGen} -XX:ReservedCodeCacheSize=512m</argLine>
         </configuration>
       </plugin>
       <plugin>