This code system http://hl7.org/fhir/assert-manual-completion-codes defines the following codes:

CodeDisplayDefinition
fail FailMark the currently waiting test failed and proceed with the next assert if the stopTestOnFail is false or the next test in the TestScript if the stopTestOnFail is true.
pass PassMark the currently waiting test passed (if the test is not failed already) and proceed with the next action in the TestScript.
skip SkipMark this assert as skipped and proceed with the next action in the TestScript.
stop StopStop execution of this TestScript. The overall status of this TestScript is evaluated based on the status of the completed tests.
<status value="active"/><experimental value="false"/><date value="2022-12-20T09:24:24-05:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="The type of manual completion to use for assertion."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/assert-manual-completion-codes"/><content value="complete"/><concept><code value="fail"/><display value="Fail"/><definition value="Mark the currently waiting test failed and proceed with the next assert if the stopTestOnFail is false or the next test in the TestScript if the stopTestOnFail is true."/></concept><concept><code value="pass"/><display value="Pass"/><definition value="Mark the currently waiting test passed (if the test is not failed already) and proceed with the next action in the TestScript."/></concept><concept><code value="skip"/><display value="Skip"/><definition value="Mark this assert as skipped and proceed with the next action in the TestScript."/></concept><concept><code value="stop"/><display value="Stop"/><definition value="Stop execution of this TestScript. The overall status of this TestScript is evaluated based on the status of the completed tests."/></concept></CodeSystem>