@Test
    public void testNoMatchers() {
        TestsHelper.expectException(() -> checker.matches(new CallContext(null, new MockSessionStore()), NAME, null, new ArrayList<>()),
            TechnicalException.class, "matchersMap cannot be null");
    }
Tests {@link DefaultMatchingChecker}.

@author Jerome Leleu
@since 4.0.0
pac4j-core/src/test/java/org/pac4j/core/matching/checker/DefaultMatchingCheckerTests.java