deterministic order for rest unit tests.

.circleci/config.yml

@@ -842,7 +842,7 @@ workflows:
       - test:
           name: test-unit-rest
           suite: utest-unit-rest
-          target: "./blockstore/... ./build/... ./journal/... ./cli/... ./conformance/... ./node/... ./paychmgr/... ./api/... ./chain/... ./lib/... ./cmd/... ./extern/... ./gateway/... ./markets/... ./storage/... ./tools/..."
+          target: "./api/... ./blockstore/... ./build/... ./chain/... ./cli/... ./cmd/... ./conformance/... ./extern/... ./gateway/... ./journal/... ./lib/... ./markets/... ./node/... ./paychmgr/... ./storage/... ./tools/..."
       - test:
           name: test-unit-storage
           suite: utest-unit-storage

.circleci/gen.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"sort"
 	"strings"
 	"text/template"
 )
@@ -100,6 +101,9 @@ func main() {
 		groupedUnitTests["unit-rest"] = append(groupedUnitTests["unit-rest"], k)
 	}
 
+	// map iteration guarantees no order, so sort the array in-place.
+	sort.Strings(groupedUnitTests["unit-rest"])
+
 	// form the input data.
 	type data struct {
 		ItestFiles []string