Rename TestUtils.ts to TestUtils.test.ts

This will allow it to be excluded when we do #863

src/Buffer.test.ts

@@ -6,7 +6,7 @@ import { assert } from 'chai';
 import { ITerminal } from './Interfaces';
 import { Buffer } from './Buffer';
 import { CircularList } from './utils/CircularList';
-import { MockTerminal } from './utils/TestUtils';
+import { MockTerminal } from './utils/TestUtils.test';
 
 const INIT_COLS = 80;
 const INIT_ROWS = 24;

src/BufferSet.test.ts

@@ -6,7 +6,7 @@ import { assert } from 'chai';
 import { ITerminal } from './Interfaces';
 import { BufferSet } from './BufferSet';
 import { Buffer } from './Buffer';
-import { MockTerminal } from './utils/TestUtils';
+import { MockTerminal } from './utils/TestUtils.test';
 
 describe('BufferSet', () => {
   let terminal: ITerminal;

src/InputHandler.test.ts

@@ -5,7 +5,7 @@
 import { assert } from 'chai';
 import { InputHandler } from './InputHandler';
 import { wcwidth } from './InputHandler';
-import { MockInputHandlingTerminal } from './utils/TestUtils';
+import { MockInputHandlingTerminal } from './utils/TestUtils.test';
 
 describe('InputHandler', () => {
   describe('save and restore cursor', () => {

src/SelectionManager.test.ts

@@ -10,7 +10,7 @@ import { CircularList } from './utils/CircularList';
 import { SelectionManager } from './SelectionManager';
 import { SelectionModel } from './SelectionModel';
 import { BufferSet } from './BufferSet';
-import { MockTerminal } from './utils/TestUtils';
+import { MockTerminal } from './utils/TestUtils.test';
 import { LineData } from './Types';
 
 class TestSelectionManager extends SelectionManager {

src/SelectionModel.test.ts

@@ -6,7 +6,7 @@ import { assert } from 'chai';
 import { ITerminal } from './Interfaces';
 import { SelectionModel } from './SelectionModel';
 import {BufferSet} from './BufferSet';
-import { MockTerminal } from './utils/TestUtils';
+import { MockTerminal } from './utils/TestUtils.test';
 
 class TestSelectionModel extends SelectionModel {
   constructor(

src/Terminal.test.ts

@@ -1,6 +1,6 @@
 import { assert, expect } from 'chai';
 import { Terminal } from './Terminal';
-import { MockViewport, MockCompositionHelper } from './utils/TestUtils';
+import { MockViewport, MockCompositionHelper } from './utils/TestUtils.test';
 import { CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX } from './Buffer';
 
 class TestTerminal extends Terminal {