Make unit tests more stable

Author: seratch

slack-app-backend/src/test/java/test_locally/app_backend/events/servlet/EventsApiTest.java

@@ -123,7 +123,7 @@ public void message() throws Exception {
         HttpTester.Response response3 = HttpTester.parseResponse(tester.getResponses(request.generate()));
 
         // wait for the async execution
-        Thread.sleep(200L);
+        Thread.sleep(1000L);
 
         assertThat(response1.getStatus(), is(equalTo(200)));
         assertThat(response2.getStatus(), is(equalTo(200)));
@@ -149,7 +149,7 @@ public void app_uninstalled() throws Exception {
         HttpTester.Response response = HttpTester.parseResponse(tester.getResponses(request.generate()));
 
         // wait for the async execution
-        Thread.sleep(200L);
+        Thread.sleep(1000L);
 
         assertThat(response.getStatus(), is(equalTo(200)));
         assertThat(appUninstallsCalls.get(), is(1));
@@ -173,7 +173,7 @@ public void goodbye() throws Exception {
         HttpTester.Response response = HttpTester.parseResponse(tester.getResponses(request.generate()));
 
         // wait for the async execution
-        Thread.sleep(200L);
+        Thread.sleep(1000L);
 
         assertThat(response.getStatus(), is(equalTo(200)));
         assertThat(goodbyeCalls.get(), is(1));
@@ -197,7 +197,7 @@ public void invalid() throws Exception {
         HttpTester.Response response = HttpTester.parseResponse(tester.getResponses(request.generate()));
 
         // wait for the async execution
-        Thread.sleep(200L);
+        Thread.sleep(1000L);
 
         assertThat(response.getStatus(), is(equalTo(401)));
         assertThat(goodbyeCalls.get(), is(0));