failure.assertThatCause(matchesRegexp("Could not resolve all (dependencies|artifacts|files) for configuration '${Pattern.quote(configuration)}'."))
        this
    }

    DependencyResolutionFailure assertFailedDependencyRequiredBy(String dependency) {
        failure.assertThatCause(matchesRegexp("(?ms).*Required by:\\s+$dependency.*"))
        this
    }

import java.io.StringReader;
import java.util.regex.Pattern;

import static org.hamcrest.CoreMatchers.equalTo;

public class Matchers {

    @Factory
    public static <T extends CharSequence> Matcher<T> matchesRegexp(final String pattern) {
        return new BaseMatcher<T>() {
            @Override
            public boolean matches(Object o) {