How do I run a single integration test with Gradle?

Note this answer: run single integration test with gradle It seems this is either out of date or not specific enough. No reasonable combination I've tried works:

gradle clean integrationTest -Dcom.example.TestClass.specific_test
gradle clean integrationTest -Dspecific_test
gradle clean integrationTest -Dcom.example.TestClass

gradle clean integrationTest --tests com.example.TestClass.specific_test
...etc.