chore: add specs

src/rules/line/noGremlins.spec.ts

@@ -0,0 +1,15 @@
+import { Severity } from '../../types/Severity'
+import { noGremlins } from './noGremlins'
+
+describe('noTabs', () => {
+  it('should return an empty array when the line does not have any gremlin', () => {
+    const line = "%put 'hello';"
+    expect(noGremlins.test(line, 1)).toEqual([])
+  })
+
+  it('should return a diagnostic array when the line contains gremlins', () => {
+    const line = "–  ‘ %put 'hello';"
+    const diagnostics = noGremlins.test(line, 1)
+    expect(diagnostics.length).toEqual(2)
+  })
+})