the output file is delete if exists befor execution

src/test/java/org/gcube/context/names/TestContextList.java

@@ -19,6 +19,7 @@ public class TestContextList extends ContextTest {
 		File resources = new File(test, "resources");
 		
 		File outputFile = new File(resources, "output.txt");
+		outputFile.delete();
 		
 		ContextList contextList = new ContextList(outputFile);
 		contextList.all();

src/test/resources/.gitignore

@@ -1 +1,5 @@
 /token.properties
+/config.properties
+/d4science.research-infrastructures.eu.gcubekey
+/gcube.gcubekey
+/output.txt