tests: Add Debian Testing as a platform

test/docker/debiantesting

@@ -0,0 +1,27 @@
+FROM debian:testing
+
+RUN apt-get update
+RUN apt-get install -y build-essential cmake git uuid-dev libgnutls28-dev
+RUN apt-get install -y python
+
+# Setup language environment
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US.UTF-8
+
+# Setup taskwarrior
+ADD . /root/code/
+WORKDIR /root/code/
+RUN git clean -dfx
+RUN git submodule init
+RUN git submodule update
+RUN cmake -DCMAKE_BUILD_TYPE=debug .
+RUN make -j2
+RUN make install
+RUN task --version
+
+# Setup tests
+WORKDIR /root/code/test/
+RUN make
+
+CMD ["bash", "-c", "./run_all ; cat all.log | grep 'not ok' ; ./problems"]