Simplify AbstractParseModuleTest to use only one directory

Because in practice the tests never use more than one path.

src/test/java/de/tla2b/examples/RegressionTests.java

 package de.tla2b.examples;
 
 import java.io.File;
-import java.util.ArrayList;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
 
 import de.tla2b.util.AbstractParseModuleTest;
 import de.tla2b.util.PolySuite;
@@ -12,6 +8,9 @@ import de.tla2b.util.PolySuite.Config;
 import de.tla2b.util.PolySuite.Configuration;
 import de.tla2b.util.TestUtil;
 
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 @RunWith(PolySuite.class)
 public class RegressionTests extends AbstractParseModuleTest {
 	private final File moduleFile;
@@ -27,8 +26,6 @@ public class RegressionTests extends AbstractParseModuleTest {
 
 	@Config
 	public static Configuration getConfig() {
-		final ArrayList<String> list = new ArrayList<String>();
-		list.add("./src/test/resources/regression");
-		return getConfiguration2(list);
+		return getConfiguration2("./src/test/resources/regression");
 	}
 }

src/test/java/de/tla2b/util/AbstractParseModuleTest.java

@@ -37,17 +37,13 @@ public abstract class AbstractParseModuleTest {
 		return files;
 	}
 
-	protected static Configuration getConfiguration2(ArrayList<String> list) {
-		final ArrayList<File> allModules = new ArrayList<File>();
-
+	protected static Configuration getConfiguration2(String path) {
 		final ArrayList<Object> expectedValues = new ArrayList<Object>();
-		for (String path : list) {
 		File[] modules = getModulesRecursively(path);
-			allModules.addAll(Arrays.asList(modules));
+		final ArrayList<File> allModules = new ArrayList<File>(Arrays.asList(modules));
 		for (int i = 0; i < modules.length; i++) {
 			expectedValues.add(1);
 		}
-		}
 
 		return new Configuration() {
 			public int size() {

src/test/java/testing/ExampleFilesTest.java

 package testing;
 
 import java.io.File;
-import java.util.ArrayList;
 
 import de.be4.classicalb.core.parser.BParser;
 import de.be4.classicalb.core.parser.node.Start;
@@ -65,8 +64,6 @@ public class ExampleFilesTest extends AbstractParseModuleTest {
 
 	@Config
 	public static Configuration getConfig() {
-		final ArrayList<String> list = new ArrayList<String>();
-		list.add("./src/test/resources/prettyprint/OperationsTest/");
-		return getConfiguration2(list);
+		return getConfiguration2("./src/test/resources/prettyprint/OperationsTest/");
 	}
 }