fix(MongoBinaryDownloadUrl): detect "linuxmint" and "linux mint" as linux mint

closes #403

Author: hasezoey

packages/mongodb-memory-server-core/src/util/MongoBinaryDownloadUrl.ts

@@ -144,7 +144,7 @@ export default class MongoBinaryDownloadUrl {
       return this.getFedoraVersionString(os);
     } else if (/debian/i.test(os.dist)) {
       return this.getDebianVersionString(os);
-    } else if (/\s+mint\s*$/i.test(os.dist)) {
+    } else if (/^linux\s?mint\s*$/i.test(os.dist)) {
       return this.getMintVersionString(os);
     } else if (/arch/i.test(os.dist)) {
       console.warn('There is no offical build of MongoDB for ArchLinux!');

packages/mongodb-memory-server-core/src/util/__tests__/MongoBinaryDownloadUrl-test.ts

@@ -315,7 +315,7 @@ describe('MongoBinaryDownloadUrl', () => {
       expect(
         downloadUrl.getMintVersionString({
           os: 'linux',
-          dist: 'Linux Mint',
+          dist: 'LinuxMint',
           release: '19',
         })
       ).toBe('ubuntu1804');