I didn't add tests for CacheStockInformation, BuyTransaction, TransactionHistory intentionally. This is because @awesominat created the CacheStockInformation, and the testing may be part of his newer PRs. BuyTransaction is related to someone else's use case, so I don't want to mess with that. TransactionHistory is related to @rickypramanick's use case, so I want to let him handle that one.
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After:
CacheStockInformation,BuyTransaction,TransactionHistoryintentionally. This is because @awesominat created theCacheStockInformation, and the testing may be part of his newer PRs.BuyTransactionis related to someone else's use case, so I don't want to mess with that.TransactionHistoryis related to @rickypramanick's use case, so I want to let him handle that one.