Don't cache contribution details in browser storage

tests/unit/utils/process-contribution-data-test.js

@@ -4,16 +4,18 @@ import testData from '../../fixtures/contribution-data';
 
 module('Unit | Utility | process-contribution-data', function() {
 
-  let result = processContributionData(testData);
-
   test('formats the data correctly', function(assert) {
+    const result = processContributionData(testData);
+
     assert.ok(typeof result.confirmedAt === 'number');
   });
 
   test('copies other properties', function(assert) {
+    const result = processContributionData(testData);
+
     [
       'id', 'contributorId', 'amount', 'vetoed',
-      'ipfsHash', 'kind', 'description', 'details',
+      'ipfsHash', 'kind', 'description',
       'url', 'date', 'time', 'pendingTx'
     ].forEach(p => {
       assert.ok(Object.prototype.hasOwnProperty.call(result, p), `copies property ${p}`);
@@ -21,8 +23,17 @@ module('Unit | Utility | process-contribution-data', function() {
   });
 
   test('does not copy unnecessary properties', function(assert) {
+    const result = processContributionData(testData);
+
     ['exists', '5'].forEach(p => {
       assert.notOk(Object.prototype.hasOwnProperty.call(result, p));
     })
   });
+
+  test('includeDetails option', function(assert) {
+    const result = processContributionData(testData, { includeDetails: true });
+
+    assert.ok(Object.prototype.hasOwnProperty.call(result, 'details'), 'includes the details property/value');
+  });
+
 });