Add files needed for tests (flink + commons-lang projects)

src/test/java/org/codetracker/util/OracleTest.java

@@ -64,7 +64,7 @@ protected static void loadExpected(String filePath) {
 	public <H extends AbstractHistoryInfo, E extends CodeElement> void testCodeTracker(CheckedBiFunction<H, String, History<E>> tracker, H historyInfo, String fileName) throws Exception {
 		String repositoryWebURL = historyInfo.getRepositoryWebURL();
 		//TODO temporary if check, remove when all local files are created
-		if(fileName.startsWith("checkstyle")) {
+		if(fileName.startsWith("checkstyle") || fileName.startsWith("commons-lang") || fileName.startsWith("flink")) {
 			HashMap<String, ChangeHistory> oracleChanges = oracle(historyInfo.getExpectedChanges());
 			History<E> history = tracker.apply(historyInfo, repositoryWebURL);
 			HashMap<String, ChangeHistory> detectedChanges = new HashMap<>();

src/test/resources/oracle/commits/commons-lang-0016bcc38403424b54703c3ccc2820b414818d4a.json

@@ -0,0 +1 @@
+{"parentCommitId":"5f7feb74f2b3d20d27695cbd68d6bd130b2ef535","currentCommitId":"0016bcc38403424b54703c3ccc2820b414818d4a","filesBefore":["src/java/org/apache/commons/lang/time/DateUtils.java"],"filesCurrent":["src/java/org/apache/commons/lang/time/DateUtils.java"],"renamedFilesHint":{},"repositoryDirectoriesBefore":["src/java/org/apache","src/java/org/apache/commons","src/java/org/apache/commons/lang/time","src","src/java","src/java/org/apache/commons/lang","src/java/org"],"repositoryDirectoriesCurrent":["src/java/org/apache","src/java/org/apache/commons","src/java/org/apache/commons/lang/time","src","src/java","src/java/org/apache/commons/lang","src/java/org"]}