Bump semver from 5.6.0 to 5.7.2 in /server/tests/js_tests

Bumps [semver](https://github.com/npm/node-semver) from 5.6.0 to 5.7.2.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/v5.7.2/CHANGELOG.md)
- [Commits](https://github.com/npm/node-semver/compare/v5.6.0...v5.7.2)

---
updated-dependencies:
- dependency-name: semver
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

server/tests/js_tests/package-lock.json

@@ -573,9 +573,9 @@
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     },
     "semver": {
-      "version": "5.6.0",
+      "version": "5.7.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
-      "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+      "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g=="
     },
     "set-blocking": {
       "version": "2.0.0",
@@ -728,7 +728,7 @@
       "dependencies": {
         "async": {
           "version": "1.0.0",
-          "resolved": "http://registry.npmjs.org/async/-/async-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
           "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k="
         },
         "colors": {