Test that members of PendingChecksCollection cannot be accessed

This covers the PendingChecksCollection#parse method.

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I544295d304c9c16e4c885e4525bd50b88d828a25
diff --git a/javatests/com/google/gerrit/plugins/checks/acceptance/ChecksRestApiBindingsIT.java b/javatests/com/google/gerrit/plugins/checks/acceptance/ChecksRestApiBindingsIT.java
index 0285798..d34703d 100644
--- a/javatests/com/google/gerrit/plugins/checks/acceptance/ChecksRestApiBindingsIT.java
+++ b/javatests/com/google/gerrit/plugins/checks/acceptance/ChecksRestApiBindingsIT.java
@@ -14,9 +14,12 @@
 
 package com.google.gerrit.plugins.checks.acceptance;
 
+import static javax.servlet.http.HttpServletResponse.SC_NOT_FOUND;
+
 import com.google.common.collect.ImmutableList;
 import com.google.gerrit.acceptance.rest.util.RestApiCallHelper;
 import com.google.gerrit.acceptance.rest.util.RestCall;
+import com.google.gerrit.acceptance.rest.util.RestCall.Method;
 import com.google.gerrit.plugins.checks.CheckKey;
 import com.google.gerrit.plugins.checks.CheckerUuid;
 import com.google.gerrit.plugins.checks.api.CheckState;
@@ -28,7 +31,10 @@
       ImmutableList.of(
           RestCall.get("/plugins/checks/checkers/"),
           RestCall.post("/plugins/checks/checkers/"),
-          RestCall.get("/plugins/checks/checks.pending/"));
+          RestCall.get("/plugins/checks/checks.pending/"),
+          RestCall.builder(Method.GET, "/plugins/checks/checks.pending/not-found")
+              .expectedResponseCode(SC_NOT_FOUND)
+              .build());
 
   private static final ImmutableList<RestCall> CHECKER_ENDPOINTS =
       ImmutableList.of(