JBDS-4501 Leave minimum recommended version 5.1.22 for Virtualbox

Author: dgolovin

browser/model/virtualbox.js

@@ -14,7 +14,7 @@ class VirtualBoxInstall extends InstallableItem {
   constructor(installerDataSvc, targetFolderName, downloadUrl, fileName, sha256sum, version, revision) {
     super(VirtualBoxInstall.KEY, downloadUrl, fileName, targetFolderName, installerDataSvc, false);
 
-    this.minimumVersion = version;
+    this.minimumVersion = '5.1.22';
     this.maximumVersion = '5.2.0';
     this.revision = revision;
 

test/unit/model/virtualbox-test.js

@@ -404,7 +404,7 @@ describe('Virtualbox installer', function() {
     });
 
     it('should add neither warning nor error for recomended version', function() {
-      installer.option['detected'].version = '5.1.24';
+      installer.option['detected'].version = '5.1.22';
       installer.validateVersion();
 
       expect(option.error).to.equal('');