Adding bower install jquery-mockjax procedure in package.json

Author: tbelcheva

package.json

@@ -61,7 +61,7 @@
     "build-aot-samples": "ngc -p tsconfig-aot-samples.json",
     "bundle": "npm run build-aot && npm run prepare-dist",
     "prepare-dist": "rollup -c rollup.config.umd.js",
-    "pretest": "npm run bundle && npm run build",
+    "pretest": "npm run bundle && npm run build && bower install jquery-mockjax ",
     "test": "karma start tests/karma.conf.js && npm run remap-istanbul",
     "remap-istanbul": "npm run copy-coverage-report && npm run remap-istanbul-html && npm run remap-istanbul-lcov",
     "remap-istanbul-html": "remap-istanbul -i coverage/karma-tmp/coverage.json -o coverage/html-report -t html",