* add note about comparing across different connectors
* added to 1.6
* Update openmetadata-docs/content/v1.5.x/how-to-guides/data-quality-observability/quality/tests-yaml.md
* Update openmetadata-docs/content/v1.6.x-SNAPSHOT/how-to-guides/data-quality-observability/quality/tests-yaml.md
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Co-authored-by: Pere Miquel Brull <peremiquelbrull@gmail.com>