Add more instructions to testing script

scripts/upgrades/3/test_script.sh

-# Create a genesis.json for testing
+# Create a genesis.json for testing. The node that you this on will be your "validator"
+# It should be on version v3.0.0-rc0
 osmosisd init --chain-id=testing testing --home=$HOME/.osmosisd
 osmosisd keys add validator --keyring-backend=test --home=$HOME/.osmosisd
 osmosisd add-genesis-account $(osmosisd keys show validator -a --keyring-backend=test --home=$HOME/.osmosisd) 1000000000uosmo,1000000000valtoken --home=$HOME/.osmosisd
@@ -12,19 +13,28 @@ cat $HOME/.osmosisd/config/genesis.json | jq '.app_state["gov"]["deposit_params"
 cat $HOME/.osmosisd/config/genesis.json | jq '.app_state["gov"]["voting_params"]["voting_period"]="120s"' > $HOME/.osmosisd/config/tmp_genesis.json && mv $HOME/.osmosisd/config/tmp_genesis.json $HOME/.osmosisd/config/genesis.json
 cat $HOME/.osmosisd/config/genesis.json | jq '.app_state["staking"]["params"]["min_commission_rate"]="0.050000000000000000"' > $HOME/.osmosisd/config/tmp_genesis.json && mv $HOME/.osmosisd/config/tmp_genesis.json $HOME/.osmosisd/config/genesis.json
 
-# start the chain
+# Now setup a second full node, and peer it with this v3.0.0-rc0 node.
+
+# start the chain on both machines
 osmosisd start
 # Create proposals
 
 osmosisd tx gov submit-proposal --title="existing passing prop" --description="passing prop"  --from=validator --deposit=1000valtoken --chain-id=testing --keyring-backend=test --broadcast-mode=block  --type="Text"
 osmosisd tx gov vote 1 yes --from=validator --keyring-backend=test --chain-id=testing --yes
 osmosisd tx gov submit-proposal --title="prop with enough osmo deposit" --description="prop w/ enough deposit"  --from=validator --deposit=500000000uosmo --chain-id=testing --keyring-backend=test --broadcast-mode=block  --type="Text"
+# Check that we have proposal 1 passed, and proposal 2 in deposit period
 osmosisd q gov proposals
+# CHeck that validator commission is under min_commission_rate
 osmosisd q staking validators
+# Wait for upgrade block.
 # Upgrade happened
+# your full node should have crashed with consensus failure
+
+# Now we test post-upgrade behavior is as intended
+
 # Everything in deposit stayed in deposit
 osmosisd q gov proposals
-# Check that commissions were bumped
+# Check that commissions was bumped to min_commission_rate
 osmosisd q staking validators
 # pushes 2 into voting period
 osmosisd tx gov deposit 2 1valtoken --from=validator --keyring-backend=test --chain-id=testing --yes
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