Remove markdown test docs and document tests inline

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

@@ -6,6 +6,7 @@ import (
 	"testing"
 )
 
+// TestCancelMarksThreadCancelled verifies cancel marks thread cancelled.
 func TestCancelMarksThreadCancelled(t *testing.T) {
 	t.Parallel()
 
@@ -47,6 +48,7 @@ func TestCancelMarksThreadCancelled(t *testing.T) {
 	}
 }
 
+// TestCancelPersistsReasonAndArtifact verifies cancel persists reason and artifact.
 func TestCancelPersistsReasonAndArtifact(t *testing.T) {
 	t.Parallel()
 
@@ -127,6 +129,7 @@ func TestCancelPersistsReasonAndArtifact(t *testing.T) {
 	}
 }
 
+// TestCancelRejectsWhenThreadMissing verifies cancel rejects when thread missing.
 func TestCancelRejectsWhenThreadMissing(t *testing.T) {
 	t.Parallel()
 
@@ -145,4 +148,3 @@ func TestCancelRejectsWhenThreadMissing(t *testing.T) {
 	}
 	assertErrorJSON(t, stdout, "not_found")
 }
-