In any case, read carefully the docs in [doc/api_changes_v4.md](doc/api_changes_v4.md) and report back any undocumented
issue using GitHub.
+Running tests
+-------------
+
+The recommended way to run the library test suite is via the provided Docker containers.
+A handy shell script is available that simplifies usage of Docker.
+
+The full sequence of operations is:
+
+ ./tests/ci/vm.sh build
+ ./tests/ci/vm.sh start
+ ./tests/ci/vm.sh runtests
+ ./tests/ci/vm.sh stop
+
+ # and, once you have finished all testing related work:
+ ./tests/ci/vm.sh cleanup
+
+By default tests are run using php 7.0 in a Container based on Ubuntu 16 Xenial.
+You can change the version of PHP and Ubuntu in use by setting the environment variables PHP_VERSION and UBUNTU_VERSION
+before building the Container.
+
+To generate the code-coverage report, run `./tests/ci/vm.sh runcoverage`
+
License
-------
Use of this software is subject to the terms in the [license.txt](license.txt) file
-SSL-certificate
----------------
-The passphrase for the rsakey.pem certificate is 'test'.
-
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