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+# Where should I add my test?
+
+- Covers an iTop PHP class or method?
+  - Most likely in "unitary-tests".
+- Covers the consistency of some data through the app?
+  - Most likely in "integration-tests".
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diff --git a/test/php-unit-tests/legacy-tests/README.md b/test/php-unit-tests/legacy-tests/README.md
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+Tests in this folder have been written before the introduction of PHPUnit in iTop, they are not run by the CI.
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