Tidy ADR27 test

packages/proto-signing/src/adr27.spec.ts

@@ -25,7 +25,7 @@ describe("adr27", () => {
       expect(omitDefault(0.0)).toEqual(null);
     });
 
-    it("works for repeaded", () => {
+    it("works for repeated", () => {
       expect(omitDefault(["a", "b", "c"])).toEqual(["a", "b", "c"]);
       expect(omitDefault([])).toEqual(null);
     });
@@ -69,7 +69,7 @@ describe("adr27", () => {
       expect(omitDefaults(0.0)).toEqual(null);
     });
 
-    it("works for repeaded", () => {
+    it("works for repeated", () => {
       expect(omitDefaults(["a", "b", "c"])).toEqual(["a", "b", "c"]);
       expect(omitDefaults([])).toEqual(null);
     });

packages/proto-signing/src/adr27.ts

@@ -41,10 +41,10 @@ export function omitDefaults(input: any): any {
 
   // Object
   if (isNonNullObject(input)) {
-    return Object.keys(input).reduce(
-      (accumulator, key) => ({
+    return Object.entries(input).reduce(
+      (accumulator, [key, value]) => ({
         ...accumulator,
-        [key]: omitDefaults((input as any)[key]),
+        [key]: omitDefaults(value),
       }),
       {},
     );