Do not expect coverage of unreachable schema

There needs to be a local `$dynamicAnchor`, but it is never
actually evaluated.

Author: handrews

scripts/schema-test-coverage.mjs

@@ -48,7 +48,12 @@ class TestCoveragePlugin {
     for (const schemaLocation in context.ast) {
       if (
         schemaLocation === "metaData" ||
-        schemaLocation.includes("json-schema.org")
+        // Do not reqiure coverage of standard JSON Schema
+        schemaLocation.includes("json-schema.org") ||
+        // Do not require coverage of default $dynamicAnchor
+        // schemas, as they are not expected to be reached
+        // schemaLocation.includes("/schema/WORK-IN-PROGRESS#/$defs/schema/")
+        schemaLocation.endsWith("/schema/WORK-IN-PROGRESS#/$defs/schema")
       ) {
         continue;
       }