Add testing step to circle-ci

Addresses #19. Unify setup step under make setup. Currently failing lint, but passing `make test` when you reverse the order of the steps. Lint errors will be addressed by #27

.circleci/config.yml

@@ -17,8 +17,9 @@ jobs:
     #### expecting it in the form of
     ####   /go/src/github.com/circleci/go-tool
     ####   /go/src/bitbucket.org/circleci/go-tool
-    working_directory: /go/src/github.com/{{ORG_NAME}}/{{REPO_NAME}}
+    working_directory: /go/src/github.com/status-im/status-go-sdk
     steps:
       - checkout
-      - run: make lint-install
+      - run: make setup
       - run: make lint
+      - run: make test

Makefile

@@ -1,3 +1,8 @@
+setup:
+	make lint-install
+	make dev-deps
+	make mock
+
 lint-install:
 	go get -u github.com/alecthomas/gometalinter
 	gometalinter --install
@@ -15,6 +20,7 @@ dev-deps:
 	go get -u github.com/stretchr/testify
 	go get -u github.com/golang/mock/gomock
 	go get -u github.com/golang/mock/mockgen
+	go get -u github.com/ethereum/go-ethereum
 
 mock:
 	mockgen -package=sdk  -destination=sdk_mock.go -source=sdk.go