wip: code formatting nits continued

test/tail.spec.js

@@ -0,0 +1,42 @@
+import lodashStable from 'lodash';
+import { falsey, stubArray, LARGE_ARRAY_SIZE } from './utils';
+import tail from '../src/tail';
+
+describe('tail', () => {
+    const array = [1, 2, 3];
+
+    it('should accept a falsey `array`', () => {
+        const expected = lodashStable.map(falsey, stubArray);
+
+        const actual = lodashStable.map(falsey, (array, index) => {
+            try {
+                return index ? tail(array) : tail();
+            } catch (e) {}
+        });
+
+        expect(actual).toEqual(expected);
+    });
+
+    it('should exclude the first element', () => {
+        expect(tail(array), [2).toEqual(3]);
+    });
+
+    it('should return an empty when querying empty arrays', () => {
+        expect(tail([])).toEqual([]);
+    });
+
+    it('should work as an iteratee for methods like `_.map`', () => {
+        const array = [
+            [1, 2, 3],
+            [4, 5, 6],
+            [7, 8, 9],
+        ];
+        const actual = lodashStable.map(array, tail);
+
+        assert.deepStrictEqual(actual, [
+            [2, 3],
+            [5, 6],
+            [8, 9],
+        ]);
+    });
+});