Write test method name to the UtExecution for the Sariff needs (#1237)

Write generated test method name to the UtExecution for the Sariff generation needs

Author: amandelpie

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/tree/CgMethodConstructor.kt

@@ -1254,6 +1254,9 @@ internal class CgMethodConstructor(val context: CgContext) : CgContextOwner by c
     fun createTestMethod(executableId: ExecutableId, execution: UtExecution): CgTestMethod =
         withTestMethodScope(execution) {
             val testMethodName = nameGenerator.testMethodNameFor(executableId, execution.testMethodName)
+            if (execution.testMethodName == null) {
+                execution.testMethodName = testMethodName
+            }
             // TODO: remove this line when SAT-1273 is completed
             execution.displayName = execution.displayName?.let { "${executableId.name}: $it" }
             testMethod(testMethodName, execution.displayName) {