Added generic test case handling (#117)

* implemented generic test cases

* made geojson conform to specs

* added more test cases

* updated test cases

* removed duplicate 'fatal' test cases

* made polygon_trapezoid_edge_overlap.geojson a test case

* made overlap_loop.geojson a test case

* made overlap_y.geojson a test case

* made touching_boxes.geojson a test case

* made 'disjoint union nesting' a test case

* made 'collapsed edges removed' a test case

* made 'rectangles' a test case

* added filling rectangle test case

* removed duplicated tests

* made test case geojsons valid geojsons (missing properties)

Co-authored-by: Rowan Winsemius <[email protected]>

package.json

@@ -51,6 +51,7 @@
     "eslint-plugin-jsdoc": "^20.0.2",
     "eslint-plugin-promise": "^3.8.0",
     "geojson-project": "^1.0.0",
+    "json-stringify-pretty-compact": "^2.0.0",
     "http-server": "^0.12.1",
     "leaflet": "^1.2.0",
     "leaflet-editable": "^1.1.0",