Issue 435: E2E test failing intermittently

[Prabhaker24]

Signed-off-by: prabhaker24 prabhaker.saxena@dell.com

Change log description

E2E test failing intermittently

Purpose of the change

#435

What the code does

fixes intermittent e2e failure

How to verify it

Travis build should pass

[codecov-commenter]

Codecov Report

Merging #436 into master will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #436      +/-   ##
==========================================
+ Coverage   76.11%   76.13%   +0.02%     
==========================================
  Files          14       14              
  Lines        3320     3323       +3     
==========================================
+ Hits         2527     2530       +3     
  Misses        705      705              
  Partials       88       88              

Impacted Files	Coverage Δ
pkg/apis/pravega/v1beta1/pravega.go	97.53% <ø> (ø)
pkg/controller/pravega/pravega_controller.go	100.00% <100.00%> (ø)
pkg/controller/pravega/pravega_segmentstore.go	100.00% <100.00%> (ø)
pkg/util/pravegacluster.go	97.45% <100.00%> (-0.07%)	⬇️

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[anishakj]

Since we are restarting tier2 at the beginning of tests, can we remove it from the end of the tests.

[Prabhaker24]

Closing this pr as fix for moving e2e on cncf cluster is merged in this pr #429 will raise another one for fixing e2e on cncf cluster.