[ISSUE-67901957] add coverage to travis

.travis.yml

diff --git a/.travis.yml b/.travis.yml
index 9a1d122..8ba8205 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,4 +12,4 @@
   - glide up --strip-vendor
 
 script:
-  - go test $(glide novendor)
+  - go test -covermode=atomic $(glide novendor)

common/interfaces.go

diff --git a/common/interfaces.go b/common/interfaces.go
index a14184b..59249b5 100644
--- a/common/interfaces.go
+++ b/common/interfaces.go
@@ -13,7 +13,6 @@
 // limitations under the License.
 package common
 
-
 type ApiManagerInterface interface {
 	InitAPI()
 }