Merge pull request #685 from mulesoft/IgnoreFlakyTestFlowOutboundInMiddleOfFlowTestCase

MULE-6926 - ignoring flaky test FlowOutboundInMiddleOfFlowTestCase
(cherry picked from commit e9678f2b043218abc943627138fe421a56b2612c)

(cherry picked from commit 7c6f334d7d2da954bfbe99b80b3ea34c8b7db5dc)

Conflicts:
	tests/integration/src/test/java/org/mule/test/construct/FlowOutboundInMiddleOfFlowTestCase.java