run test chain script fixed

scripts/run-test-chain.sh

@@ -1,12 +1,4 @@
 #!/bin/bash
-mkdir -p .tmp
-cargo run --release -p joystream-node build-spec --chain dev > .tmp/chainspec.json
-perl -i -pe's/"setValidatorCountProposalGracePeriod":.*/"setValidatorCountProposalGracePeriod": 0,/' .tmp/chainspec.json
-perl -i -pe's/"runtimeUpgradeProposalGracePeriod":.*/"runtimeUpgradeProposalGracePeriod": 0,/' .tmp/chainspec.json
-perl -i -pe's/"setElectionParametersProposalGracePeriod":.*/"setElectionParametersProposalGracePeriod": 0,/' .tmp/chainspec.json
-perl -i -pe's/"textProposalGracePeriod":.*/"textProposalGracePeriod": 0,/' .tmp/chainspec.json
-perl -i -pe's/"setContentWorkingGroupMintCapacityProposalGracePeriod":.*/"setContentWorkingGroupMintCapacityProposalGracePeriod": 0,/' .tmp/chainspec.json
-perl -i -pe's/"setLeadProposalGracePeriod":.*/"setLeadProposalGracePeriod": 0,/' .tmp/chainspec.json
-perl -i -pe's/"spendingProposalGracePeriod":.*/"spendingProposalGracePeriod": 0/' .tmp/chainspec.json
+sh ./scripts/create-test-chainspec.sh
 yes | cargo run --release -p joystream-node -- purge-chain --dev
 cargo run --release -p joystream-node -- --chain=.tmp/chainspec.json --alice --validator