docs(testings.md): added testing doc to run down requirements

TESTING.md

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+#### This File is early stages and will be updated
+
+# Testing Requirements
+- At least 80% code coverage is required for all tests.
+- Follow the recommended guidelines for Front-End [Testing](https://angular.io/guide/testing)
+- Follow the recommended guidesline for Back-End [Testing](https://jestjs.io/)
+
+
+## Running Front-End unit tests
+- Run `npm run test:front` to execute the unit tests via [Karma](https://karma-runner.github.io).
+
+## Running Back-End unit tests
+- Run `npm run test:node` to execute the unit tests via [Jest](https://jestjs.io/).
+
+## Running All Tests
+- Run `npm run test` to execute the unit tests.