test: adding debug hints for integration test config failures (envoyproxy#8038)

alyssawilk · web-flow · commit fdd0e016301c · 2019-08-26T14:12:01.000-04:00
Risk Level: n/a (test only)
Testing: manual
Docs Changes: n/a
Release Notes: n/a

Signed-off-by: Alyssa Wilk &lt;alyssar@chromium.org&gt;
diff --git a/test/integration/integration.cc b/test/integration/integration.cc
@@ -442,7 +442,8 @@ void BaseIntegrationTest::createGeneratedApiTestServer(const std::string& bootst
       if (!allow_lds_rejection) {
         RELEASE_ASSERT(test_server_->counter(rejected) == nullptr ||
                            test_server_->counter(rejected)->value() == 0,
-                       "Lds update failed");
+                       "Lds update failed. For details, run test with -l trace and look for "
+                       "\"Error adding/updating listener(s)\" in the logs.");
       }
       time_system_.sleep(std::chrono::milliseconds(10));
     }

Original file line number	Diff line number	Diff line change
`@@ -442,7 +442,8 @@ void BaseIntegrationTest::createGeneratedApiTestServer(const std::string& bootst`
`442`	`442`	`if (!allow_lds_rejection) {`
`443`	`443`	`RELEASE_ASSERT(test_server_->counter(rejected) == nullptr \|\|`
`444`	`444`	`test_server_->counter(rejected)->value() == 0,`
`445`		`- "Lds update failed");`
	`445`	`+ "Lds update failed. For details, run test with -l trace and look for "`
	`446`	`+ "\"Error adding/updating listener(s)\" in the logs.");`
`446`	`447`	`}`
`447`	`448`	`time_system_.sleep(std::chrono::milliseconds(10));`
`448`	`449`	`}`