Update comments to clarify what testnets are affected by test files. (#…

…868)

* Update comments to clarify what these tests affect.

protocol/daemons/pricefeed/client/constants/static_exchange_market_config_test.go

@@ -176,7 +176,8 @@ func TestGenerateExchangeConfigJson(t *testing.T) {
 
 			configs := GenerateExchangeConfigJson(exchange_config.TestnetExchangeMarketConfig)
 
-			// Uncomment to update testnet exchange data after changing the TestnetExchangeMarketConfig.
+			// Uncomment to update the exchange data used for various testnet deploys after changing the
+			// TestnetExchangeMarketConfig.
 			//f, err := os.OpenFile("testdata/"+tc.expectedExchangeConfigJsonFile, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
 			//require.NoError(t, err)
 			//defer f.Close()

protocol/testutil/daemons/pricefeed/exchange_config/testnet_exchange_market_config.go

@@ -7,7 +7,8 @@ import (
 
 var (
 	// TestnetExchangeMarketConfig maps exchange feed ids to exchange market config. This map is used to generate
-	// the exchange config json used by the genesis state for testnet deploys.
+	// the exchange config json used to construct the genesis file for various testnet deploys defined in the testing
+	// package - namely, localnet, dev, and staging. Note that public testnet is not affected by this map.
 	TestnetExchangeMarketConfig = map[types.ExchangeId]*types.MutableExchangeMarketConfig{
 		exchange_common.EXCHANGE_ID_BINANCE: {
 			Id: exchange_common.EXCHANGE_ID_BINANCE,