[Codacy] Define a constant instead of using this literal 'customerId' 4 times.

[github-actions]

Codacy finding

• Repository: TransactionProcessing/TestHosts
• Codacy org: TransactionProcessing
• Codacy repo: TestHosts
• Codacy issue ID: f2dfc65d89e9b671c04b808f644cd3c4
• Codacy issue: https://app.codacy.com/gh/TransactionProcessing/TestHosts/issues/f2dfc65d89e9b671c04b808f644cd3c4
• File: TestHosts/TestHosts.IntegrationTests/TransactionSteps.cs
• Line: 39
• Rule: SonarCSharp_S1192
• Severity: Warning

Message: Define a constant instead of using this literal 'customerId' 4 times.

Sync metadata

Sync key: TransactionProcessing/TestHosts::TransactionProcessing/TestHosts::f2dfc65d89e9b671c04b808f644cd3c4