Squashed 'third_party/flatbuffers/' content from commit acc9990ab

Change-Id: I48550d40d78fea996ebe74e9723a5d1f910de491
git-subtree-dir: third_party/flatbuffers
git-subtree-split: acc9990abd2206491480291b0f85f925110102ea
diff --git a/tests/docker/languages/Dockerfile.testing.golang.1_11 b/tests/docker/languages/Dockerfile.testing.golang.1_11
new file mode 100644
index 0000000..81707ea
--- /dev/null
+++ b/tests/docker/languages/Dockerfile.testing.golang.1_11
@@ -0,0 +1,7 @@
+FROM golang:1.11-stretch as base
+WORKDIR /code
+ADD . .
+RUN cp flatc_debian_stretch flatc
+WORKDIR /code/tests
+RUN go version
+RUN ./GoTest.sh