chore: Upgrade jest to 23.6.0

The failed tests that had to be fixed relate to jestjs/jest#6792

Author: evanpurkhiser

package.json

@@ -111,7 +111,7 @@
     "enzyme-to-json": "3.3.1",
     "eslint": "4.4.1",
     "eslint-config-sentry-app": "1.4.3",
-    "jest": "23.4.0",
+    "jest": "23.6.0",
     "jest-junit": "^3.4.1",
     "mockdate": "2.0.2",
     "prettier": "1.7.4",

tests/js/spec/components/modals/sudoModal.spec.jsx

@@ -153,6 +153,6 @@ describe('Sudo Modal', function() {
 
     // Should have Modal + input
     expect(wrapper.find('ModalDialog input')).toHaveLength(0);
-    expect(wrapper.find('Button').prop('href')).toMatch('/auth/login/?next=blank');
+    expect(wrapper.find('Button').prop('href')).toMatch('/auth/login/?next=%2F');
   });
 });

tests/js/spec/views/__snapshots__/installWizard.spec.jsx.snap

@@ -115,7 +115,7 @@ exports[`InstallWizard renders 1`] = `
                     allowEmpty={false}
                     component={[Function]}
                     default="root@localhost"
-                    defaultValue="sentry@"
+                    defaultValue="sentry@localhost"
                     disabled={false}
                     disabledReason={null}
                     help="Email address to be used in From for all outbound email."
@@ -146,7 +146,7 @@ exports[`InstallWizard renders 1`] = `
                           onChange={[Function]}
                           required={true}
                           type="email"
-                          value="sentry@"
+                          value="sentry@localhost"
                         />
                         <p
                           className="help-block"

tests/js/spec/views/admin/__snapshots__/adminSettings.spec.jsx.snap

@@ -43,7 +43,7 @@ exports[`AdminSettings render() renders 1`] = `
       <TextField
         allowEmpty={true}
         default=""
-        defaultValue="about://"
+        defaultValue="http://localhost"
         disabled={true}
         disabledReason="This setting is defined in config.yml and may not be changed via the web UI."
         help="The root web address which is used to communicate with the Sentry backend."

tests/js/spec/views/settings/organizationIntegrations/addIntegration.spec.jsx

@@ -30,7 +30,7 @@ describe('AddIntegration', function() {
 
     const newIntegration = {
       source: null,
-      origin: 'null',
+      origin: 'http://localhost',
       data: {
         success: true,
         data: Object.assign({}, integration, {