fix test

Author: Picazsoo

modules/openapi-generator/src/test/java/org/openapitools/codegen/kotlin/KotlinReservedWordsTest.java

@@ -191,7 +191,8 @@ public void reservedWordsInGeneratedServerCode() throws Exception {
         File resultSourcePath = new File(output, "src/main/kotlin");
 
         assertFileContains(Paths.get(resultSourcePath.getAbsolutePath() + baseApiPackage + "AnnotationsApiController.kt"),
-                "fun annotationsPost(@Parameter(description = \"\", required = true) @Valid @RequestBody `annotation`: Annotation",
+                "fun annotationsPost("
+                + "        @Parameter(description = \"\", required = true) @Valid @RequestBody `annotation`: Annotation",
                 "return ResponseEntity(service.annotationsPost(`annotation`), HttpStatus.valueOf(200))"
         );