}

    private List<CreateSnapshot> snapshotAll(final Iterable<File> entries) {
        final List<CreateSnapshot> snapshotOperations = new ArrayList<>();

        buildOperationExecutor.runAll((Action<BuildOperationQueue<CreateSnapshot>>) buildOperationQueue -> {
            for (File entry : entries) {
                CreateSnapshot operation = new CreateSnapshot(entry);
                snapshotOperations.add(operation);

            task causeErrors {
                doLast {
                    def buildOperationExecutor = services.get(BuildOperationExecutor)
                    buildOperationExecutor.runAll { queue ->
                        queue.add(new TestOperation(startedLatch))
                        queue.add(new TestOperation(startedLatch))
                        startedLatch.await()

            public BuildOperationDescriptor.Builder description() {
                return BuildOperationDescriptor.displayName("Delete old JUnit XML results");
            }
        });

        buildOperationExecutor.runAll(new Action<BuildOperationQueue<JUnitXmlReportFileGenerator>>() {
            @Override
            public void execute(final BuildOperationQueue<JUnitXmlReportFileGenerator> queue) {

[listing]
----
tar xfz TeamCity<version number>.tar.gz
----

[start=3]
. Start the TeamCity server and one default agent at the same time, using the runAll script provided in the <TeamCity home>/bin directory, e.g.

[listing]
----
runAll.sh start
----

[start=4]

                @Override
                public void render(final AllTestResults model, final HtmlReportBuilder output) throws IOException {
                    buildOperationExecutor.runAll(new Action<BuildOperationQueue<HtmlReportFileGenerator<? extends CompositeTestResults>>>() {
                        @Override