cleanup test.sh, fix json rounding issue #3301

Job	Run time
Build and test docker images	14m 25s
Build aarch64-apple-darwin	3m 32s
Build debian-x86_64	3m 8s
Build x86_64-apple-darwin	12m 4s
Build x86_64-pc-windows-msvc	8m 57s
Build x86_64-unknown-linux-gnu	3m 31s
Lint and Unit test	10m 58s
Test on macos-13	3m 40s
Test on windows-latest	1m 5s
Test on ubuntu-latest	53s
Test AWS Lambda	35s
Test postgis:11-3.0-alpine sslmode=disable	4m 7s
Test postgis:14-3.3-alpine sslmode=disable	4m 26s
Test postgis:15-3.3 sslmode=require	4m 37s
Package	0s
CI Finished	0s
	1h 15m 58s

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