fix circleci tests

.circleci/Dockerfile.test

+FROM golang:1.9 AS builder
+
+RUN curl -fsSL -o /usr/local/bin/dep https://github.com/golang/dep/releases/download/v0.3.2/dep-linux-amd64 && chmod +x /usr/local/bin/dep
+
+RUN mkdir -p /go/src/github.com/requilence/integram
+WORKDIR /go/src/github.com/requilence/integram
+
+COPY Gopkg.toml Gopkg.lock ./
+
+# install the dependencies without checking for go code
+RUN dep ensure -vendor-only
+
+COPY . ./
+
+CMD ["go", "test", "github.com/requilence/integram"]
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