Remove markdown test docs and document tests inline

packages/inbox-runtime/internal/cli/inbox/fail_integration_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 )
 
+// TestFailMarksThreadFailed verifies fail marks thread failed.
 func TestFailMarksThreadFailed(t *testing.T) {
 	t.Parallel()
 
@@ -36,6 +37,7 @@ func TestFailMarksThreadFailed(t *testing.T) {
 	}
 }
 
+// TestFailPersistsFailureBodyAndArtifact verifies fail persists failure body and artifact.
 func TestFailPersistsFailureBodyAndArtifact(t *testing.T) {
 	t.Parallel()
 
@@ -92,6 +94,7 @@ func TestFailPersistsFailureBodyAndArtifact(t *testing.T) {
 	}
 }
 
+// TestFailRejectsNonOwner verifies fail rejects non owner.
 func TestFailRejectsNonOwner(t *testing.T) {
 	t.Parallel()
 
@@ -112,6 +115,7 @@ func TestFailRejectsNonOwner(t *testing.T) {
 	assertErrorJSON(t, stdout, "lease_conflict")
 }
 
+// TestFailRejectsOnTerminalThread verifies fail rejects on terminal thread.
 func TestFailRejectsOnTerminalThread(t *testing.T) {
 	t.Parallel()