> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/continuous-integration/use-harness-ci/use-harness-ci/run-tests/tests-v1.md).

# Run Tests step

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[Use Run Tests step for Java, Kotlin, or Scala](/continuous-integration/use-harness-ci/use-harness-ci/run-tests/tests-v1/ti-for-java-kotlin-scala.md)
{% endcontent-ref %}

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[Use Run Tests step for Python](/continuous-integration/use-harness-ci/use-harness-ci/run-tests/tests-v1/ti-for-python.md)
{% endcontent-ref %}

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[Use the Run Tests step for Ruby](/continuous-integration/use-harness-ci/use-harness-ci/run-tests/tests-v1/ti-for-ruby.md)
{% endcontent-ref %}

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[Use Run Tests step for C#](/continuous-integration/use-harness-ci/use-harness-ci/run-tests/tests-v1/ti-for-csharp.md)
{% endcontent-ref %}

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[Enable parallelism on a Run Tests step](/continuous-integration/use-harness-ci/use-harness-ci/run-tests/tests-v1/ti-test-splitting.md)
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{% @harness-feedback/feedback %}