junit failures

[davidradl]

Running at a Flink 1.15 there are 3 errors running at Flink 1.18 there are 5 errors

The 1.18 errors are

[INFO]
[INFO] Results:
[INFO]
[ERROR] Failures:
[ERROR] HttpSinkConnectionTest.testFailedConnection:238 expected: <1> but was: <0>
[ERROR] HttpSinkConnectionTest.testServerErrorConnection:202 expected: <1> but was: <0>
[ERROR] JavaNetHttpPollingClientConnectionTest.shouldHandleCodeBasedOnConfiguration:208
expected: false
but was: true
[ERROR] JavaNetHttpPollingClientConnectionTest.shouldHandleCodeBasedOnConfiguration:208
expected: true
but was: false
[ERROR] JavaNetHttpPollingClientConnectionTest.shouldHandleServerError:222 Expected at least one request matching: {
"method" : "ANY"
}
Requests received: [ ]
[ERROR] Errors:
[ERROR] JavaNetHttpPollingClientConnectionTest.shouldConnectWithBasicAuth:269 » NoSuchElement
[ERROR] JavaNetHttpPollingClientConnectionTest.shouldConnectWithBasicAuth:269 » NoSuchElement
[ERROR] JavaNetHttpPollingClientConnectionTest.shouldQuery200WithBodyParams:159 » NoSuchElement
[ERROR] JavaNetHttpPollingClientConnectionTest.shouldQuery200WithBodyParams:159 » NoSuchElement
[ERROR] JavaNetHttpPollingClientConnectionTest.shouldQuery200WithParams:129 » NoSuchElement

[kristoffSC]

Hi, if we will drop 1.15 and remove all 1.15 dependencies from the code will we have still those errors?
We can drop 1.15 anyways though.

[davidradl]

this is fixed by #72