Flaky CQL test: updateConfigurationShouldRemoveGraphFromCache

[FlorianHockmann]

Flaky Test

• Test Name: CQLConfiguredGraphFactoryTest>AbstractConfiguredGraphFactoryTest.updateConfigurationShouldRemoveGraphFromCache
• Link: https://github.com/JanusGraph/janusgraph/blob/ba93c4bfda9e4c72b01aae7dc2ee9c3c5b5f37d1/janusgraph-backend-testutils/src/main/java/org/janusgraph/core/AbstractConfiguredGraphFactoryTest.java#L233
• Branch: master, PR was #3095
• Notes: The job was: tests (cql, -Pcassandra3-murmur -Dtest="**/core/cql/*", murmur-core, 8). It passed on the second try.

Stack Trace

Failures: 
Error:    CQLConfiguredGraphFactoryTest>AbstractConfiguredGraphFactoryTest.updateConfigurationShouldRemoveGraphFromCache:233 Expected java.lang.IllegalArgumentException to be thrown, but nothing was thrown.