Make the URL hit by jest smoke tests configurable (#1420)

* Make the URL hit by jest smoke tests configurable

* Fix typo

* Make names consistent

client/package-lock.json

@@ -5762,29 +5762,6 @@
       "integrity": "sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=",
       "dev": true
     },
-    "csp-html-webpack-plugin": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/csp-html-webpack-plugin/-/csp-html-webpack-plugin-4.0.0.tgz",
-      "integrity": "sha512-1YqQefNG0SrZisysThlly2bgs4Ab/W91xOM17S8wd+6vTo3E0OdL+y4IAR0MKpthRluNGzFB3QhPqdOhkXAExg==",
-      "dev": true,
-      "requires": {
-        "cheerio": "^1.0.0-rc.3",
-        "lodash": "^4.17.15",
-        "memory-fs": "^0.5.0"
-      },
-      "dependencies": {
-        "memory-fs": {
-          "version": "0.5.0",
-          "resolved": "https://registry.npmjs.org/memory-fs/-/memory-fs-0.5.0.tgz",
-          "integrity": "sha512-jA0rdU5KoQMC0e6ppoNRtpp6vjFq6+NY7r8hywnC7V+1Xj/MtHwGIbB1QaK/dunyjWteJzmkpd7ooeWg10T7GA==",
-          "dev": true,
-          "requires": {
-            "errno": "^0.1.3",
-            "readable-stream": "^2.0.1"
-          }
-        }
-      }
-    },
     "css-loader": {
       "version": "3.4.2",
       "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-3.4.2.tgz",