test: add test case for send command error case

Author: antsmartian

test/sequential/test-inspector-command-error.js

@@ -0,0 +1,11 @@
+// Flags: --expose-internals
+'use strict';
+
+const common = require('../common');
+const inspector = require('internal/util/inspector');
+common.skipIfInspectorDisabled();
+
+inspector.sendInspectorCommand(
+  common.mustCall(() => { throw new Error('test'); }),
+  common.mustCall()
+);