Refactor testing harness to use defaults (#808)

* Refactor testing harness to use defaults

- Move tests into defaultly named test folders
- Use default test suffix of ".test" instead of "_test"
- Make cluster-store tests unit tests by adding more
    nesting, so that order of tests doesn't matter

Signed-off-by: Sebastian Malton <sebastian@malton.name>

Co-authored-by: Sebastian Malton <smalton@mirantis.com>

integration/helpers/utils.ts

@@ -1,23 +1,16 @@
 import { Application } from "spectron";
 
-let appPath = ""
-switch(process.platform) {
-case "win32":
-  appPath = "./dist/win-unpacked/Lens.exe"
-  break
-case "linux":
-  appPath = "./dist/linux-unpacked/kontena-lens"
-  break
-case "darwin":
-  appPath = "./dist/mac/Lens.app/Contents/MacOS/Lens"
-  break
+const AppPaths: Partial<Record<NodeJS.Platform, string>> = {
+  "win32": "./dist/win-unpacked/Lens.exe",
+  "linux": "./dist/linux-unpacked/kontena-lens",
+  "darwin": "./dist/mac/Lens.app/Contents/MacOS/Lens",
 }
 
 export function setup(): Application {
   return new Application({
     // path to electron app
     args: [],
-    path: appPath,
+    path: AppPaths[process.platform],
     startTimeout: 30000,
     waitTimeout: 30000,
     chromeDriverArgs: ['remote-debugging-port=9222'],
@@ -32,7 +25,7 @@ export async function tearDown(app: Application) {
   await app.stop()
   try {
     process.kill(pid, 0);
-  } catch(e) {
+  } catch (e) {
     return
   }
 }