fixed create users test ouput

Author: arcuri82

core/src/main/kotlin/org/evomaster/core/output/auth/CreateUsersWriter.kt

@@ -82,6 +82,8 @@ object CreateUsersWriter {
         }
         lines.addEmpty()
 
+        val resolver = PlaceHolderResolver(user.name, resolverData)
+
         val infoMsg = "Create new user dynamically for ${user.name}"
 
         if(! format.isPython()){
@@ -95,7 +97,7 @@ object CreateUsersWriter {
 
         val resName = responseName(name)
 
-        AuthWriter.addBodyOfCallCommand(lines, user.call, testCaseWriter, format, baseUrlOfSut, resName, null)
+        AuthWriter.addBodyOfCallCommand(lines, user.call, testCaseWriter, format, baseUrlOfSut, resName, resolver)
 
         //need to add check that call was 2xx success or 3xx
 
@@ -115,6 +117,6 @@ object CreateUsersWriter {
 
         lines.addEmpty()
 
-        return PlaceHolderResolver(user.name, resolverData)
+        return resolver
     }
 }

core/src/main/kotlin/org/evomaster/core/output/service/HttpWsTestCaseWriter.kt

@@ -673,19 +673,28 @@ abstract class HttpWsTestCaseWriter : ApiTestCaseWriter() {
             when {
                 format.isPython() -> {
                     lines.add("body = ${bodyLines.first()}")
+                    functionsOnString?.forEach { lines.append(it) }
                 }
                 format.isJavaScript() -> writeStringifiedPayload(lines, send, bodyLines, functionsOnString)
                 else -> writeJavaOrKotlinJsonBody(lines, send, bodyLines, dtoVar, functionsOnString)
             }
         } else {
             when {
                 format.isPython() -> {
-                    lines.add("body = ${bodyLines.first()} + \\")
+                    lines.add("body = ")
+                    if(!functionsOnString.isNullOrEmpty()){
+                        lines.append("(")
+                    }
+                    lines.append("${bodyLines.first()} + \\")
                     lines.indented {
                         (1 until bodyLines.lastIndex).forEach { i ->
                             lines.add("${bodyLines[i]} + \\")
                         }
                         lines.add(bodyLines.last())
+                        if(!functionsOnString.isNullOrEmpty()){
+                            lines.append(")")
+                            functionsOnString.forEach { lines.append(it) }
+                        }
                     }
                 }
                 format.isJavaScript() -> writeStringifiedPayload(lines, send, bodyLines, functionsOnString)