fix unit tests

Author: themiswang

firebase-crashlytics/src/main/java/com/google/firebase/crashlytics/internal/common/CrashlyticsController.java

@@ -559,6 +559,8 @@ private void doOpenSession(String sessionIdentifier, Boolean isOnDemand) {
     reportingCoordinator.onBeginSession(sessionIdentifier, startedAtSeconds);
   }
 
+  // This is only used for exception handler close session (we have another close session in
+  // background initialization)
   void doCloseSessions(SettingsProvider settingsProvider) {
     doCloseSessions(false, settingsProvider, false);
   }

firebase-crashlytics/src/test/java/com/google/firebase/crashlytics/internal/common/CrashlyticsControllerRobolectricTest.java

@@ -43,6 +43,7 @@
 import com.google.firebase.crashlytics.internal.settings.SettingsProvider;
 import com.google.firebase.inject.Deferred;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.TreeSet;
@@ -100,6 +101,7 @@ public void testDoCloseSession_enabledAnrs_doesNotPersistsAppExitInfoIfItDoesntE
 
   @Test
   public void testDoCloseSession_enabledAnrs_persistsAppExitInfoIfItExists() {
+    final String sessionIdPrevious = "sessionIdPrevious";
     final String sessionId = "sessionId";
     final CrashlyticsController controller = createController();
     // Adds multiple AppExitInfos to confirm that Crashlytics loops through
@@ -109,12 +111,12 @@ public void testDoCloseSession_enabledAnrs_persistsAppExitInfoIfItExists() {
     List<ApplicationExitInfo> testApplicationExitInfo = getApplicationExitInfoList();
 
     when(mockSessionReportingCoordinator.listSortedOpenSessionIds())
-        .thenReturn(new TreeSet<>(Collections.singletonList(sessionId)));
+        .thenReturn(new TreeSet<>(Arrays.asList(sessionId, sessionIdPrevious)));
     mockSettingsProvider(true, false);
-    controller.doCloseSessions(mockSettingsProvider);
+    controller.finalizeSessions(mockSettingsProvider);
     verify(mockSessionReportingCoordinator)
         .persistRelevantAppExitInfoEvent(
-            eq(sessionId),
+            eq(sessionIdPrevious),
             eq(testApplicationExitInfo),
             any(LogFileManager.class),
             any(UserMetadata.class));