Copilot comments.

Author: benrr101

.devcontainer/setup-sqlserver.sh

@@ -29,8 +29,8 @@ REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
 
 # Write test config file so the test suite can find the connection string.
 CONFIG_DIR="${REPO_ROOT}/src/Microsoft.Data.SqlClient/tests/tools/Microsoft.Data.SqlClient.TestUtilities"
-CONFIG_DEFAULT_FILE="${CONFIG_DIR}/config.default.json"
-CONFIG_FILE="${CONFIG_DIR}/config.json"
+CONFIG_DEFAULT_FILE="${CONFIG_DIR}/config.default.jsonc"
+CONFIG_FILE="${CONFIG_DIR}/config.jsonc"
 echo "Writing test config to ${CONFIG_FILE} (based on ${CONFIG_DEFAULT_FILE})..."
 TCP_CONN_STR="Data Source=tcp:${SQL_HOST},${SQL_PORT};Database=Northwind;User Id=sa;Password=${SA_PASSWORD};Encrypt=false;TrustServerCertificate=true"
 # config.default.json contains JS-style comments (// ...) which are not valid JSON.

TESTGUIDE.md

@@ -230,16 +230,16 @@ For SQL Server in a Linux container, WSL, or another host where SQL authenticati
 }
 ```
 
-You can override the config file path with the `MDS_TEST_CONFIG` environment variable:
+You can override the config file path with the `TEST_MDS_CONFIG` environment variable:
 
 ```bash
-MDS_TEST_CONFIG=/path/to/config.jsonc dotnet build -t:TestSqlClientManual -p:TestSet=2
+TEST_MDS_CONFIG=/path/to/config.jsonc dotnet build -t:TestSqlClientManual -p:TestSet=2
 ```
 
 On PowerShell:
 
 ```powershell
-$env:MDS_TEST_CONFIG = "C:\path\to\config.jsonc"
+$env:TEST_MDS_CONFIG = "C:\path\to\config.jsonc"
 dotnet build -t:TestSqlClientManual -p:TestSet=2
 ```