gnovm

fix: txtar tests load full config and execute serially #2341

Job	Run time
build (1.20.x, GOARCH=amd64 GOOS=linux, gno)	30s
test (1.20.x, _test.cmd)	1m 8s
build (1.20.x, GOARCH=wasm GOOS=js, gno)	50s
test (1.20.x, _test.pkg)	42s
build (1.21.x, GOARCH=amd64 GOOS=linux, gno)	19s
test (1.20.x, _test.gnolang.native)	30s
build (1.21.x, GOARCH=wasm GOOS=js, gno)	26s
test (1.20.x, _test.gnolang.stdlibs)	53s
test (1.20.x, _test.gnolang.realm)	39s
test (1.20.x, _test.gnolang.pkg0)	2m 13s
test (1.20.x, _test.gnolang.pkg1)	11m 17s
test (1.20.x, _test.gnolang.pkg2)	4m 8s
test (1.20.x, _test.gnolang.other)	41s
test (1.21.x, _test.cmd)	1m 0s
test (1.21.x, _test.pkg)	1m 2s
test (1.21.x, _test.gnolang.native)	45s
test (1.21.x, _test.gnolang.stdlibs)	58s
test (1.21.x, _test.gnolang.realm)	36s
test (1.21.x, _test.gnolang.pkg0)	2m 34s
test (1.21.x, _test.gnolang.pkg1)	6m 4s
test (1.21.x, _test.gnolang.pkg2)	6m 13s
test (1.21.x, _test.gnolang.other)	38s
upload-coverage	15s
	44m 21s

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