Refactor Table_Tests to the builder API

distribution/lib/Standard/Test_New/0.0.0-dev/package.yaml

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+name: Test_New
+namespace: Standard
+version: 0.0.0-dev
+license: APLv2
+authors:
+  - name: Enso Team
+    email: [email protected]
+maintainers:
+  - name: Enso Team
+    email: [email protected]

distribution/lib/Standard/Test_New/0.0.0-dev/src/Clue.enso

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+private
+
+## PRIVATE
+type Clue
+    ## PRIVATE
+
+       Represents a clue as to why a test failed
+
+       Arguments:
+       - add_clue: either Nothing or a function which modifies a failure message
+    Value add_clue