add empty test files

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/RandomVariableHelper.java

@@ -88,7 +88,6 @@ public class RandomVariableHelper {
 
 	private static Double _getNumericalVariance(BoolSampleList boolSl) {
 		throw new UnsupportedOperationException("Booleans do not have a numerical variance.");
-
 	}
 
 	private static Double _getNumericalVariance(IntSampleList intSl) {

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/AbstractMeanCalculatorTest.java → tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/AbstractRandomVariableHelperTest.java

@@ -7,7 +7,7 @@ import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.resource.ResourceSet;
 import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
 
-public abstract class AbstractMeanCalculatorTest {
+public abstract class AbstractRandomVariableHelperTest {
 	private ResourceSet resourceSet;
 
 	@SuppressWarnings("unchecked")

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/BoxedPDFMeanTest.java

@@ -6,7 +6,7 @@ import org.junit.Test;
 import tools.descartes.dml.mm.applicationlevel.functions.RandomVariable;
 import tools.descartes.dml.mm.applicationlevel.functions.util.RandomVariableHelper;
 
-public class BoxedPDFMeanTest extends AbstractMeanCalculatorTest {
+public class BoxedPDFMeanTest extends AbstractRandomVariableHelperTest {
 
 	@Test
 	public void boxedPdfUnaryTest() {

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/BoxedPDFVarianceTest.java

+package tools.descartes.dml.mm.applicationlevel.functions.util.tests;
+
+public class BoxedPDFVarianceTest extends AbstractRandomVariableHelperTest {
+
+}

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/ExponentialDistributionMeanTest.java

@@ -6,7 +6,7 @@ import org.junit.Test;
 import tools.descartes.dml.mm.applicationlevel.functions.RandomVariable;
 import tools.descartes.dml.mm.applicationlevel.functions.util.RandomVariableHelper;
 
-public class ExponentialDistributionMeanTest extends AbstractMeanCalculatorTest {
+public class ExponentialDistributionMeanTest extends AbstractRandomVariableHelperTest {
 	@Test
 	public void exponentialDistribTest() {
 		RandomVariable randomVariable = loadModel("testfiles/expo-distrib.functions", RandomVariable.class);

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/ExponentialDistributionVarianceTest.java

+package tools.descartes.dml.mm.applicationlevel.functions.util.tests;
+
+public class ExponentialDistributionVarianceTest extends AbstractRandomVariableHelperTest {
+
+}

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/LiteralMeanTest.java

@@ -6,7 +6,7 @@ import org.junit.Test;
 import tools.descartes.dml.mm.applicationlevel.functions.RandomVariable;
 import tools.descartes.dml.mm.applicationlevel.functions.util.RandomVariableHelper;
 
-public class LiteralMeanTest extends AbstractMeanCalculatorTest {
+public class LiteralMeanTest extends AbstractRandomVariableHelperTest {
 	@Test
 	public void doubleLiteralTest() {
 		RandomVariable randomVariable = loadModel("testfiles/double-literal.functions", RandomVariable.class);

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/LiteralVarianceTest.java

+package tools.descartes.dml.mm.applicationlevel.functions.util.tests;
+
+public class LiteralVarianceTest extends AbstractRandomVariableHelperTest {
+
+}

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/NormalDistributionMeanTest.java

@@ -6,7 +6,7 @@ import org.junit.Test;
 import tools.descartes.dml.mm.applicationlevel.functions.RandomVariable;
 import tools.descartes.dml.mm.applicationlevel.functions.util.RandomVariableHelper;
 
-public class NormalDistributionMeanTest extends AbstractMeanCalculatorTest {
+public class NormalDistributionMeanTest extends AbstractRandomVariableHelperTest {
 
 	@Test
 	public void normalDistribTest() {

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/NormalDistributionVarianceTest.java

+package tools.descartes.dml.mm.applicationlevel.functions.util.tests;
+
+public class NormalDistributionVarianceTest extends AbstractRandomVariableHelperTest {
+
+}

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/PMFMeanTest.java

@@ -6,7 +6,7 @@ import org.junit.Test;
 import tools.descartes.dml.mm.applicationlevel.functions.RandomVariable;
 import tools.descartes.dml.mm.applicationlevel.functions.util.RandomVariableHelper;
 
-public class PMFMeanTest extends AbstractMeanCalculatorTest {
+public class PMFMeanTest extends AbstractRandomVariableHelperTest {
 
 	@Test
 	public void intPMFUnaryTest() {

tools.descartes.dml.mm.applicationlevel/src/tools/descartes/dml/mm/applicationlevel/functions/util/tests/PMFVarianceTest.java

+package tools.descartes.dml.mm.applicationlevel.functions.util.tests;
+
+public class PMFVarianceTest extends AbstractRandomVariableHelperTest {
+
+}