Replace class by interface in check documentation (#543)

* Update test-seam-usage.md * Update db-access-in-ut.md * Update external-call-in-ut.md * Update unit_test_assert.md * Replace class by interface In the check "Constants Interface Check", the documentation of the exception referred to class definition instead of interface definition. * Update db-access-in-ut.md * Update external-call-in-ut.md * Update test-seam-usage.md * Update test-seam-usage.md * Update unit_test_assert.md * Update unit_test_assert.md * Update unit_test_assert.md Co-authored-by: estevao-schultz-neto-SAP <63100656+estevao-schultz-neto-SAP@users.noreply.github.com> Co-authored-by: Eugen Günther <64586309+eugen-guenther-sap@users.noreply.github.com>

Author: 3 people

docs/checks/constants-interface.md

@@ -38,7 +38,7 @@ Use enumeration classes instead.
 
 ### What to do in case of exception?
 
-In exceptional cases, you can suppress this finding by using the pseudo comment `"#EC CONS_INTF` which should be placed right after the class definition header:
+In exceptional cases, you can suppress this finding by using the pseudo comment `"#EC CONS_INTF` which should be placed right after the interface definition:
 
 ### Example
 

docs/checks/unit_test_assert.md

@@ -61,5 +61,3 @@ ENDMETHOD.
 ### Further Readings & Knowledge
 
 * [Clean ABAP: Don't obsess about coverage](https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#dont-obsess-about-coverage)
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