Obeying the rules ? Challenge accepted. Blog post about using TestRules and Parameterized tests in Android

RepeatRule.java

public class RepeatRule implements TestRule {

    @Retention(RetentionPolicy.RUNTIME)
    @Target({METHOD, ANNOTATION_TYPE})
    public @interface Repeat {
        int value() default 1;
    }

    private static class RepeatStatement extends Statement {

        private final int times;
        private final Statement statement;

        private RepeatStatement(int times, Statement statement) {
            this.times = times;
            this.statement = statement;
        }

        @Override
        public void evaluate() throws Throwable {
            for (int i = 0; i < times; i++) {
                statement.evaluate();
            }
        }
    }

    @Override
    public Statement apply(Statement statement, Description description) {
        Statement result = statement;
        Repeat repeat = description.getAnnotation(Repeat.class);
        if (repeat != null) {
            int times = repeat.value();
            result = new RepeatStatement(times, statement);
        }
        return result;
    }
}

sampleTest.java

   @Parameterized.Parameters
    public static Collection<Object[]> data() {

        return Arrays.asList(new Object[][]{
                {MB_1, TIMEOUT_MB_1},
                {MB_10, TIMEOUT_MB_10},
                {MB_20, TIMEOUT_MB_20},
                {MB_30, TIMEOUT_MB_30},
                {MB_40, TIMEOUT_MB_40},
                {MB_50, TIMEOUT_MB_50},
                {MB_100, TIMEOUT_MB_100}
        });
    }

    @Parameterized.Parameter(0)
    public static int size;

    @Parameterized.Parameter(1)
    public static long threshold;

    @Rule
    public RepeatRule repeatRule = new RepeatRule();


    @ClassRule
    public static ErrorCollector collector = new ErrorCollector();