CI: Update GHA workflow and set PSQL env

.github/workflows/tests.yml

@@ -48,6 +48,7 @@ jobs:
     - name: Set up Postgres environment
       if: matrix.psql == true
       run: |
+        echo "PSQL_GCT_CI=true" >> $GITHUB_ENV
         echo "PSQL_USER=postgres" >> $GITHUB_ENV
         echo "PSQL_PASS=postgres" >> $GITHUB_ENV
         echo "PSQL_HOST=localhost" >> $GITHUB_ENV
@@ -71,12 +72,17 @@ jobs:
         echo "SKIP_WRAPPER_CI_TESTS=true" >> $GITHUB_ENV
       shell: bash
 
-    - name: Additional steps for 386 architecture
+    - name: Additional steps for 386
       if: matrix.goarch == '386'
       run: |
-        echo "CGO_ENABLED=1" >> $GITHUB_ENV
         sudo apt-get update
-        sudo apt-get install gcc-multilib g++-multilib
+        sudo apt-get install -y gcc-multilib
+      shell: bash
+
+    - name: Set CGO_ENABLED for 386 and macos-latest
+      if: matrix.goarch == '386' || matrix.os == 'macos-latest'
+      run: |
+        echo "CGO_ENABLED=1" >> $GITHUB_ENV
       shell: bash
 
     - name: Test

database/testhelpers/test_helpers.go

@@ -2,6 +2,7 @@ package testhelpers
 
 import (
 	"database/sql"
+	"os"
 	"path/filepath"
 	"reflect"
 
@@ -25,6 +26,21 @@ var (
 
 // GetConnectionDetails returns connection details for CI or test db instances
 func GetConnectionDetails() *database.Config {
+	if _, exists := os.LookupEnv("PSQL_GCT_CI"); exists {
+		return &database.Config{
+			Enabled: true,
+			Driver:  "postgres",
+			ConnectionDetails: drivers.ConnectionDetails{
+				Host:     "localhost",
+				Port:     5432,
+				Username: "postgres",
+				Password: "postgres",
+				Database: "gct_dev_ci",
+				SSLMode:  "",
+			},
+		}
+	}
+
 	return &database.Config{
 		Enabled:           true,
 		Driver:            "postgres",