Mocks new tool-cache methods.

Author: jcuffe

test/setup-terraform.test.js

@@ -564,6 +564,13 @@ describe('Setup Terraform', () => {
       .fn()
       .mockReturnValueOnce('file');
 
+    tc.cacheDir = jest.fn()
+      .mockReturnValueOnce('file');
+
+    tc.find = jest
+      .fn()
+      .mockReturnValueOnce(null);
+
     os.platform = jest
       .fn()
       .mockReturnValue('linux');
@@ -608,6 +615,13 @@ describe('Setup Terraform', () => {
       .fn()
       .mockReturnValueOnce('file');
 
+    tc.cacheDir = jest.fn()
+      .mockReturnValueOnce('file');
+
+    tc.find = jest
+      .fn()
+      .mockReturnValueOnce(null);
+
     os.platform = jest
       .fn()
       .mockReturnValue('win32');