merge: Made all tests follow file strcture convention already in-place (#820)

* add empty line to end of file

* Move all test files to /test following convention

Recursive/test/KochSnowflake.test.js

@@ -0,0 +1,20 @@
+import { iterate, Vector2 } from '../KochSnowflake'
+
+describe('KochSnowflake', () => {
+  it('should produce the correctly-transformed vectors', () => {
+    expect(iterate([new Vector2(0, 0), new Vector2(1, 0)], 1)[0])
+      .toEqual({ x: 0, y: 0 })
+
+    expect(iterate([new Vector2(0, 0), new Vector2(1, 0)], 1)[1])
+      .toEqual({ x: 1 / 3, y: 0 })
+
+    expect(iterate([new Vector2(0, 0), new Vector2(1, 0)], 1)[2])
+      .toEqual({ x: 1 / 2, y: Math.sin(Math.PI / 3) / 3 })
+
+    expect(iterate([new Vector2(0, 0), new Vector2(1, 0)], 1)[3])
+      .toEqual({ x: 2 / 3, y: 0 })
+
+    expect(iterate([new Vector2(0, 0), new Vector2(1, 0)], 1)[4])
+      .toEqual({ x: 1, y: 0 })
+  })
+})