src: add/move hasCrypto checks for async tests

Currently when configured --without-ssl these test will fail. In
test-crypto-pbkdf2.js and test-crypto-randomBytes.js the check exists
but just need to be moved before the require of crypto.

There was no check in test-async-wrap-uncaughtexception.js so one was
added.

PR-URL: nodejs#12968
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Luca Maraschi <luca.maraschi@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/async-hooks/test-crypto-pbkdf2.js

@@ -1,16 +1,16 @@
 'use strict';
 
 const common = require('../common');
+if (!common.hasCrypto) {
+  common.skip('missing crypto');
+  return;
+}
 const assert = require('assert');
 const tick = require('./tick');
 const initHooks = require('./init-hooks');
 const { checkInvocations } = require('./hook-checks');
 const crypto = require('crypto');
 
-if (!common.hasCrypto) {
-  common.skip('missing crypto');
-  return;
-}
 
 const hooks = initHooks();
 

test/async-hooks/test-crypto-randomBytes.js

@@ -1,16 +1,16 @@
 'use strict';
 
 const common = require('../common');
+if (!common.hasCrypto) {
+  common.skip('missing crypto');
+  return;
+}
 const assert = require('assert');
 const tick = require('./tick');
 const initHooks = require('./init-hooks');
 const { checkInvocations } = require('./hook-checks');
 const crypto = require('crypto');
 
-if (!common.hasCrypto) {
-  common.skip('missing crypto');
-  return;
-}
 
 const hooks = initHooks();
 

test/parallel/test-async-wrap-uncaughtexception.js

@@ -1,6 +1,10 @@
 'use strict';
 
 const common = require('../common');
+if (!common.hasCrypto) {
+  common.skip('missing crypto');
+  return;
+}
 const assert = require('assert');
 const async_hooks = require('async_hooks');
 const call_log = [0, 0, 0, 0];  // [before, callback, exception, after];