Bug 1408776 - Update jasmine-core from 2.7.0 to 2.8.0

https://github.com/jasmine/jasmine/blob/v2.8.0/release_notes/2.8.0.md

package.json

@@ -48,7 +48,7 @@
     "angular-mocks": "1.5.11",
     "enzyme": "2.7.1",
     "istanbul-instrumenter-loader": "2.0.0",
-    "jasmine-core": "2.7.0",
+    "jasmine-core": "2.8.0",
     "karma-coverage-istanbul-reporter": "1.3.0",
     "karma-firefox-launcher": "1.0.1",
     "karma-jasmine": "1.1.0",

yarn.lock

@@ -3896,9 +3896,9 @@ istanbul@^0.4.0:
     which "^1.1.1"
     wordwrap "^1.0.0"
 
-jasmine-core@2.7.0:
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/jasmine-core/-/jasmine-core-2.7.0.tgz#50ff8c4f92d8ef5c0b2c1b846dd263ed85152091"
+jasmine-core@2.8.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/jasmine-core/-/jasmine-core-2.8.0.tgz#bcc979ae1f9fd05701e45e52e65d3a5d63f1a24e"
 
 jquery.scrollto@2.1.2:
   version "2.1.2"