DBTest.DynamicLevelMaxBytesBase2: remove an unnecesary check

Summary: DBTest.DynamicLevelMaxBytesBase2 has a check that is not necessary and may fail. Remove it, and add two unrelated check.

Test Plan: Run the test

Reviewers: yhchiang, rven, kradhakrishnan, anthony, igor

Reviewed By: igor

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D38457

db/db_test.cc

@@ -11095,7 +11095,9 @@ TEST_F(DBTest, DynamicLevelMaxBytesBase2) {
   dbfull()->TEST_WaitForCompact();
   ASSERT_TRUE(db_->GetIntProperty("rocksdb.base-level", &int_prop));
   ASSERT_EQ(3U, int_prop);
-  ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level3", &str_prop));
+  ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level1", &str_prop));
+  ASSERT_EQ("0", str_prop);
+  ASSERT_TRUE(db_->GetProperty("rocksdb.num-files-at-level2", &str_prop));
   ASSERT_EQ("0", str_prop);
 
   // Trigger parallel compaction, and the first one would change the base