fix scala test cases

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/ScalaClientCodegen.java

@@ -112,6 +112,7 @@ public class ScalaClientCodegen extends DefaultCodegen implements CodegenConfig
                         "Long",
                         "Float",
                         "Object",
+                        "Any",
                         "List",
                         "Map")
         );
@@ -257,4 +258,60 @@ public class ScalaClientCodegen extends DefaultCodegen implements CodegenConfig
         return objs;
     }
 
+    @Override
+    public String toVarName(String name) {
+        // sanitize name
+        name = sanitizeName(name); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
+
+        if("_".equals(name)) {
+          name = "_u";
+        }
+
+        // if it's all uppper case, do nothing
+        if (name.matches("^[A-Z_]*$")) {
+            return name;
+        }
+
+        // camelize (lower first character) the variable name
+        // pet_id => petId
+        name = camelize(name, true);
+
+        // for reserved word or word starting with number, append _
+        if (isReservedWord(name) || name.matches("^\\d.*")) {
+            name = escapeReservedWord(name);
+        }
+
+        return name;
+    }
+
+    @Override
+    public String toParamName(String name) {
+        // should be the same as variable name
+        return toVarName(name);
+    }
+
+    @Override
+    public String toModelName(final String name) {
+        final String sanitizedName = sanitizeName(modelNamePrefix + name + modelNameSuffix);
+
+        // camelize the model name
+        // phone_number => PhoneNumber
+        final String camelizedName = camelize(sanitizedName);
+
+        // model name cannot use reserved keyword, e.g. return
+        if (isReservedWord(camelizedName)) {
+            final String modelName = "Model" + camelizedName;
+            LOGGER.warn(camelizedName + " (reserved word) cannot be used as model name. Renamed to " + modelName);
+            return modelName;
+        }
+
+        return camelizedName;
+    }
+
+    @Override
+    public String toModelFilename(String name) {
+        // should be the same as the model name
+        return toModelName(name);
+    }
+
 }