chore(travis): run test stage

.travis.yml

@@ -1,20 +1,21 @@
 language: go
 dist: trusty
 sudo: false
-go:
-  - 1.8.x
+
 install:
   - go get github.com/golang/dep/cmd/dep
   - dep ensure
-script:
-  - go test -v $(go list ./... | grep -v /vendor/)
 
 jobs:
   include:
+  - stage: test
+    go: 1.8.x
+    script:
+      - go test -v $(go list ./... | grep -v /vendor/)
   - stage: Build and Deploy
     go: 1.8.x
     script:
-      - export SOURCE_DATE_EPOCH=$(git show -s --format=%ci ${TRAVIS_TAG:-${TRAVIS_COMMIT}})
+      - export SOURCE_DATE_EPOCH=$(git show -s --format=%ci ${TRAVIS_TAG:-${TRAVIS_COMMIT}}^{commit})
       - go build github.com/terinjokes/bakelite
       - "./bakelite github.com/terinjokes/bakelite"
       - for i in bakelite-*; do tar --mtime="${SOURCE_DATE_EPOCH}" --owner=0 --group=0 --numeric-owner -c $i | gzip -n - > $i.tar.gz; done