Add tests for more server manager functions

[aminya]

Some of the ServerManager functions do not have tests.

atom-languageclient/test/auto-languageclient.test.ts

Line 95 in 1c2b2cd

describe("ServerManager", () => {

• getWorkspaceFolders -> feat: add support for workspace folders #153
• projectPathsChanged -> feat: add support for workspace folders #153
• projectFilesChanged
• projectPathToWorkspaceFolder -> feat: add support for workspace folders #153
• normalizedProjectPathToWorkspaceFolder -> feat: add support for workspace folders #153
• considerAdditionalPath -> feat: support out of the project files #160
• startServer
• stopUnusedServers
• stopAllServers
• restartAllServers
• hasServerReachedRestartLimit
• stopServer
• exitServer
• terminate

[UziTech]

And we need tests for code action filtering