Refactoring & cleanup of whole codebase

Improves report summary and annotations

src/test-parser.ts

@@ -0,0 +1,11 @@
+import {TestRunResult} from './test-results'
+
+export interface ParseOptions {
+  parseErrors: boolean
+  workDir: string
+  trackedFiles: string[]
+}
+
+export interface TestParser {
+  parse(path: string, content: string): Promise<TestRunResult>
+}