Creates a new dynamic ecu.test installation instance which is only accessible during pipeline execution.

Signatures:
ET.newInstallation(String toolName, String installPath) : ETInstance
            
ET.newInstallation(String toolName, String installPath, String progId, int timeout) : ETInstance
            
ET.newInstallation(Map<String, Object> installArgs) : ETInstance
            
Examples:
ET.newInstallation('ecu.test', 'C:\\Program Files\\ECU-TEST 8.0')
            
ET.newInstallation('ecu.test', 'C:\\Program Files\\ECU-TEST 8.0', 'ECU-TEST.Application', 120)
            
ET.newInstallation toolName: 'ecu.test', installPath: 'C:\\Program Files\\ECU-TEST 8.0', progId: 'ECU-TEST.Application', timeout: 120