chore(tests): specify password for indexworker tests

Author: fadymak

.github/workflows/test.yml

@@ -113,6 +113,7 @@ jobs:
         env:
           MULTIGRES_GATEWAY_PG_PORT: "5432"
           MULTIGRES_NUM_CELLS: "2"
+          MULTIGRES_PG_MAX_CONNECTIONS: "100"
         ports:
           - 5432:5432
         options: >-
@@ -133,4 +134,7 @@ jobs:
       - name: Run migrations
         run: make migrate_dev
       - name: Run tests
+        # Multigres' postgres superuser password is "postgres" (not "root")
+        env:
+          POSTGRES_PASSWORD: postgres
         run: go test ./... -p 1 -race -v -count=1

internal/indexworker/indexworker_test.go

@@ -1,10 +1,12 @@
 package indexworker
 
 import (
+	"cmp"
 	"context"
 	"errors"
 	"fmt"
 	"net/url"
+	"os"
 	"sync"
 	"sync/atomic"
 	"testing"
@@ -433,11 +435,12 @@ func (ts *IndexWorkerTestSuite) TestCreateIndexesWithInvalidIndexes() {
 		assert.True(ts.T(), idx.IsReady, "Index %s should be ready initially", idx.IndexName)
 	}
 
-	// Step 2: Connect as the postgres superuser to manipulate pg_index
-	// Parse the existing connection URL and replace credentials with postgres superuser
+	// Step 2: Connect as the postgres superuser to manipulate pg_index.
+	// Parse the existing connection URL and replace credentials with the postgres superuser.
+	superuserPassword := cmp.Or(os.Getenv("POSTGRES_PASSWORD"), "root")
 	manipulatorURL := ts.config.DB.URL
 	if u, err := url.Parse(ts.config.DB.URL); err == nil {
-		u.User = url.UserPassword("postgres", "root")
+		u.User = url.UserPassword("postgres", superuserPassword)
 		manipulatorURL = u.String()
 	}