core/tests/org.openjdk.jmc.flightrecorder.test/src/test/java/org/openjdk/jmc/flightrecorder/test/util/StacktraceTestToolkit.java

*** 180,190 ****
                  Fork fork, FrameSeparator frameSeparator, String indent, List<String> traces) {
                  for (Branch branch : fork.getBranches()) {
                          handleBranch(branch, frameSeparator, indent, traces);
                          Fork endFork = branch.getEndFork();
                          walkStacktraceTree(endFork, frameSeparator, indent + "    ", traces);
!                         traces.add(""); //$NON-NLS-1$
                  }
                  return traces;
          }
  
          private static void handleBranch(Branch branch, FrameSeparator frameSeparator, String indent, List<String> traces) {
--- 180,190 ----
                  Fork fork, FrameSeparator frameSeparator, String indent, List<String> traces) {
                  for (Branch branch : fork.getBranches()) {
                          handleBranch(branch, frameSeparator, indent, traces);
                          Fork endFork = branch.getEndFork();
                          walkStacktraceTree(endFork, frameSeparator, indent + "    ", traces);
!                         traces.add("");
                  }
                  return traces;
          }
  
          private static void handleBranch(Branch branch, FrameSeparator frameSeparator, String indent, List<String> traces) {