failOnMissingElement("Build output does not contain the expected skipped task.", taskPath, tasks);
        }
        return this;
    }

    private Collection<String> getNotSkippedTasks() {
        Set<String> all = new TreeSet<>(getExecutedTasks());
        Set<String> skipped = getSkippedTasks();
        all.removeAll(skipped);
        return all;
    }

    @Override

            Set<String> notSkipped = getNotSkippedTasks();
            assertThat(notSkipped, equalTo(expected));
            outputResult.assertTasksNotSkipped(expected);
            return this;
        }

        @Override
        public ExecutionResult assertTaskNotSkipped(String taskPath) {
            assertThat(getNotSkippedTasks(), hasItem(taskPath));