Disable long running test testing test-project dependency

headless-services/commons/commons-maven/src/test/java/org/springframework/ide/vscode/commons/maven/DependencyTreeTest.java

@@ -28,6 +28,7 @@ import java.util.stream.Collectors;
 
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.project.MavenProject;
+import org.junit.Ignore;
 import org.junit.Test;
 
 /**
@@ -36,6 +37,12 @@ import org.junit.Test;
  * @author Alex Boyko
  *
  */
+/*
+ * Disable test because:
+ * 1. Takes 40 mins to execute for the concourse build
+ * 2. The project is only used by tests and highly unlikely to be changed
+ */
+@Ignore
 public class DependencyTreeTest {
 	
 	private void testMavenClasspath(String projectName) throws Exception {