Adding gocheck test framework support (Issue #472)

[shuklanirdesh82]

Please refer #472 (comment) for more information.

Testing done: locally with sample testcase

sample output for passed test:

nshukla-mbp:docker-volume-vsphere nshukla$ make e2e-test 
/Library/Developer/CommandLineTools/usr/bin/make --directory=vmdk_plugin e2e-test
Makefile:154: warning: overriding commands for target `clean'
../plugin/Makefile:87: warning: ignoring old commands for target `clean'

=> Running target e2e-test Fri May 12 20:57:54 PDT 2017

../misc/scripts/build.sh e2e-dkrVolDriver-test "10.20.105.97" "10.20.104.62" "10.20.104.62"
Makefile:154: warning: overriding commands for target `clean'
../plugin/Makefile:87: warning: ignoring old commands for target `clean'
make: Entering directory `/go/src/github.com/vmware/docker-volume-vsphere/vmdk_plugin'

=> Running target e2e-dkrVolDriver-test Sat May 13 03:57:55 UTC 2017

GO15VENDOREXPERIMENT=1 go test github.com/vmware/docker-volume-vsphere/tests/e2e -v
=== RUN   Test
OK: 1 passed
--- PASS: Test (0.00s)
PASS
ok  	github.com/vmware/docker-volume-vsphere/tests/e2e	0.006s
make: Leaving directory `/go/src/github.com/vmware/docker-volume-vsphere/vmdk_plugin'

sample output for failed test:

nshukla-mbp:docker-volume-vsphere nshukla$ vi tests/e2e/hello_test.go 
nshukla-mbp:docker-volume-vsphere nshukla$ make e2e-test 
/Library/Developer/CommandLineTools/usr/bin/make --directory=vmdk_plugin e2e-test
Makefile:154: warning: overriding commands for target `clean'
../plugin/Makefile:87: warning: ignoring old commands for target `clean'

=> Running target e2e-test Fri May 12 20:59:51 PDT 2017

../misc/scripts/build.sh e2e-dkrVolDriver-test "10.20.105.97" "10.20.104.62" "10.20.104.62"
Makefile:154: warning: overriding commands for target `clean'
../plugin/Makefile:87: warning: ignoring old commands for target `clean'
make: Entering directory `/go/src/github.com/vmware/docker-volume-vsphere/vmdk_plugin'

=> Running target e2e-dkrVolDriver-test Sat May 13 03:59:52 UTC 2017

GO15VENDOREXPERIMENT=1 go test github.com/vmware/docker-volume-vsphere/tests/e2e -v
=== RUN   Test

----------------------------------------------------------------------
FAIL: hello_test.go:17: MySuite.TestHelloWorld

hello_test.go:18:
    c.Assert(42, Equals, "42")
... obtained int = 42
... expected string = "42"

--- FAIL: Test (0.00s)
OOPS: 0 passed, 1 FAILED
FAIL
exit status 1
FAIL	github.com/vmware/docker-volume-vsphere/tests/e2e	0.007s
make: *** [e2e-dkrVolDriver-test] Error 1
make: Leaving directory `/go/src/github.com/vmware/docker-volume-vsphere/vmdk_plugin'
make[1]: *** [e2e-test] Error 2
make: *** [e2e-test] Error 2

[shuklanirdesh82]

Sample test case has been added to check on CI .. Once testing is done, sample testcase will be removed before merging.

[shaominchen]

LGTM.

[shuklanirdesh82]

sample test is removed and waiting for CI to pass before merging.