@Test
    public void testNoExistingMatcher()  {
        TestsHelper.expectException(() -> checker.matches(new CallContext(null, new MockSessionStore()), NAME, new HashMap<>(),
                new ArrayList<>()), TechnicalException.class, "The matcher '" + NAME + "' must be defined in the security configuration");
    }
Tests {@link DefaultMatchingChecker}.

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