hardcode generate max 1 entry for arrays

src/types/array.js

@@ -83,7 +83,7 @@ function arrayType(value, path, resolve, traverseCallback) {
   const optionalsProbability = optionAPI('alwaysFakeOptionals') === true ? 1.0 : optionAPI('optionalsProbability');
   const fixedProbabilities = optionAPI('alwaysFakeOptionals') || optionAPI('fixedProbabilities') || false;
 
-  let length = random.number(minItems, maxItems, 1, 5);
+  let length = random.number(minItems, maxItems, 1, 1);
 
   if (optionalsProbability !== false) {
     length = Math.max(fixedProbabilities