Don't run Parcel build as part of tests

This should be tested on create-near-app CI anyway
and currently was failing CLI because of semver bullshit npm/node-semver#323

test/test_contract.sh

@@ -12,7 +12,7 @@ testaccount=testaccount$timestamp.test.near
 
 echo Building contract
 yarn install
-yarn build
+yarn build:contract
 
 echo Deploying contract
 ../bin/near deploy --accountId=$testaccount --wasmFile=out/main.wasm
@@ -42,4 +42,4 @@ EXPECTED='BASE64ROCKS'
 if [[ ! $TEXT =~ .*$EXPECTED.* ]]; then
  echo FAILURE Unexpected output from near call: $RESULT
  exit 1
-fi
+fi