@BeforeClass
    public static void setupLogCaptor() {
        logCaptor = LogCaptor.forClass(AbstractWarningVerificationStrategy.class);
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/process/traversal/strategy/verification/EdgeLabelVerificationStrategyTest.java