move TTC capture to unit test (#7268)

* move TTC capture to unit test

* progress with artifact

* fmt

* abstract cases

* add another case

* add another test

* update snapshots with proper file names

* force to JSON

* fmt

* make jest happy

* add another example and other tweaks

* fix

* tweak

* add logs

* more logs

* strip out kcl version

* remove logs

* add comment explainer

* more comments

* more comment

* remove package-lock line

jest-component-unit-tests/jest.config.ts

@@ -11,6 +11,12 @@ const jestConfig: Config = {
     "^.+\.tsx?$": ["ts-jest",{ babelConfig: true }],
   },
   testEnvironment: "jest-fixed-jsdom",
+  // Include both standard test patterns and our custom .jesttest. pattern
+  testMatch: [
+    "**/__tests__/**/*.[jt]s?(x)",
+    "**/?(*.)+(spec|test).[tj]s?(x)",
+    "**/?(*.)+(jesttest).[tj]s?(x)"
+  ],
   // TAG: paths, path, baseUrl, alias
   // This is necessary to use tsconfig path aliases.
   moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, { prefix: '<rootDir>/../' }),