static void assertBalancedTasks(final Map<ProcessId, ClientState> clientStates, final int skewThreshold) {
        final TaskSkewReport taskSkewReport = analyzeTaskAssignmentBalance(clientStates, skewThreshold);
        if (taskSkewReport.totalSkewedTasks() > 0) {
            fail("Expected a balanced task assignment, but was: " + taskSkewReport);
        }
    }
Builds a ProcessId with a UUID by repeating the given number n. For valid n, it is guaranteed that the returned UUIDs satisfy
the same relation relative to others as their parameter n does: iff n < m, then uuidForInt(n) < uuidForInt(m)
streams/src/test/java/org/apache/kafka/streams/processor/internals/assignment/AssignmentTestUtils.java