Fixing flaky test InboundMessageLossTestCase
MULE-7809: Removing test for receivebuffersize. The value is just a suggestion, so the assertion fails on some environments.
Merge pull request #175 from mulesoft/FlakyTestSedaStageWorkRejectionTestCase

Fixing flaky test SedaStageWorkRejectionTestCase(cherry picked from commit 4a14f4abd2ecfa05c4cae98d068f199af8214e3e)

Conflicts:
	tests/integration/src/test/java/org/mule/test/integration/async/SedaStageWorkRejectionTestCase.java