refactor: import path alignment

Author: ffMathy

spec/ClearSubstitute.spec.ts

@@ -1,8 +1,7 @@
 import test from 'ava'
 
-import { Substitute, SubstituteOf, clearReceivedCalls, received } from '../src'
+import { Substitute, SubstituteOf, clearReceivedCalls, received, returns } from '../src'
 import { SubstituteNode } from '../src/SubstituteNode'
-import { returns } from '../src/Transformations'
 
 interface Calculator {
   add(a: number, b: number): number

spec/Recorder.spec.ts

@@ -4,7 +4,7 @@ import { Recorder } from '../src/Recorder'
 import { RecordsSet } from '../src/RecordsSet'
 import { Substitute } from '../src/Substitute'
 import { SubstituteNodeBase } from '../src/SubstituteNodeBase'
-import { returns } from '../src/Transformations'
+import { returns } from '../src'
 
 const nodeFactory = (key: string) => {
   const node = Substitute.for<SubstituteNodeBase>()

spec/regression/didNotReceive.spec.ts

@@ -1,7 +1,6 @@
 import test from 'ava'
-import { Substitute, Arg, didNotReceive, received } from '../../src'
+import { Substitute, Arg, didNotReceive, received, returns } from '../../src'
 import { SubstituteException } from '../../src/SubstituteException'
-import { returns } from '../../src/Transformations'
 
 interface Calculator {
   add(a: number, b: number): number

spec/regression/mimicks.spec.ts

@@ -1,6 +1,5 @@
 import test from 'ava'
-import { Substitute, Arg } from '../../src'
-import { mimicks } from '../../src/Transformations'
+import { Substitute, Arg, mimicks } from '../../src'
 
 interface Calculator {
   add(a: number, b: number): number