Integration tests fail

[dlg99]

Describe the bug

Integration test fail

To Reproduce

cd tests
mvn clean install -DintegrationTests

get

[INFO] Running TestSuite
[ERROR] Tests run: 29, Failures: 1, Errors: 0, Skipped: 28, Time elapsed: 0.792 s <<< FAILURE! - in TestSuite
[ERROR] setup(org.apache.pulsar.tests.integration.compat.kafka.PulsarKafkaProducerThreadSafeTest)  Time elapsed: 0.662 s  <<< FAILURE!
java.lang.NullPointerException
	at org.apache.pulsar.tests.integration.compat.kafka.PulsarKafkaProducerThreadSafeTest.getPlainTextServiceUrl(PulsarKafkaProducerThreadSafeTest.java:37)
	at org.apache.pulsar.tests.integration.compat.kafka.PulsarKafkaProducerThreadSafeTest.setup(PulsarKafkaProducerThreadSafeTest.java:43)

Expected behavior

Tests running and passing

[lhotari]

Fixed by #19 and #22