Bug 62042: Adjust gradle build to properly set the locale

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1823596 13f79535-47bb-0310-9956-ffa450edef68

build.gradle

@@ -101,12 +101,13 @@ subprojects {
 		exclude '**/TestUnfixedBugs.class'
 		exclude '**/TestOneFile.class'
 
-        systemProperties = System.properties
-    
         // set heap size for the test JVM(s)
         minHeapSize = "128m"
         maxHeapSize = "768m"
 
+        // Specifying the local via system properties did not work, so we set them this way
+        jvmArgs '-Duser.language=en -Duser.country=US'
+  
         // show standard out and standard error of the test JVM(s) on the console
         //testLogging.showStandardStreams = true
 
@@ -114,15 +115,8 @@ subprojects {
         systemProperties['user.dir'] = workingDir
         
         systemProperties['POI.testdata.path'] = '../../test-data'
-        //systemProperties['user.language'] = 'en'
-        //systemProperties['user.country'] = 'US'
     }
 
-	test.beforeSuite { TestDescriptor suite ->
-	   System.setProperty('user.language', 'en')
-	   System.setProperty('user.country', 'US')
-	}
-
     jacoco {
         toolVersion = '0.7.9'
     }

src/testcases/org/apache/poi/ss/usermodel/BaseTestColumnShifting.java

@@ -26,7 +26,7 @@ import static org.junit.Assert.assertTrue;
 
 import org.apache.poi.ss.usermodel.helpers.ColumnShifter;
 
-public class BaseTestColumnShifting {
+public abstract class BaseTestColumnShifting {
     protected Workbook wb;
     protected Sheet sheet1;
     protected ColumnShifter columnShifter;