Disable more flakey watcher tests

This PR disables the final(?) flakey watcher tests until we have
time dig into the race condition causing failures. Having these
tests randomly failing builds is a terrible experience for
contributors.

test/cli.js

@@ -349,7 +349,7 @@ describe('cli', function() {
   });
 
   describe('node-sass --output directory', function() {
-    it('should watch whole directory', function(done) {
+    it.skip('should watch whole directory', function(done) {
       var destDir = fixture('watching-css-out-01/');
       var srcDir = fixture('watching-dir-01/');
       var srcFile = path.join(srcDir, 'index.scss');
@@ -373,7 +373,7 @@ describe('cli', function() {
       }, 500);
     });
 
-    it('should compile all changed files in watched directory', function(done) {
+    it.skip('should compile all changed files in watched directory', function(done) {
       var destDir = fixture('watching-css-out-02/');
       var srcDir = fixture('watching-dir-02/');
       var srcFile = path.join(srcDir, 'foo.scss');