Update cheatsheets

behat

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# behat
+
+> A PHP framework for Behaviour-Driven Development.
+> More information: <https://behat.org>.
+
+- Initialize a new Behat project:
+
+`behat --init`
+
+- Run all tests:
+
+`behat`
+
+- Run all tests from the specified suite:
+
+`behat --suite={{suite_name}}`
+
+- Run tests with a specific output formatter:
+
+`behat --format {{pretty|progress}}`
+
+- Run tests and output results to a file:
+
+`behat --out {{path/to/file}}`
+
+- List the definitions in your test suites:
+
+`behat --definitions`