reduce noise about slow tests; make a few tests faster, etc.

Makefile

@@ -70,7 +70,7 @@ test-unit:
 
 test-integration:
 	@printf "==> [Test :: Integrations]\n"
-	$(call test_node,integration) --timeout 5000 \
+	$(call test_node,integration) --timeout 5000 --slow 500 \
 		test/integration/*.spec.js
 
 test-compilers:

test/integration/fixtures/options/delay.fixture.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var assert = require('assert');
-var delay = 500;
+var delay = 200;
 
 setTimeout(function () {
   describe('delayed execution', function () {

test/integration/fixtures/retries/async.fixture.js

@@ -19,7 +19,7 @@ describe('retries', function () {
   });
 
   it('should allow override and run appropriate hooks', function (done) {
-    this.timeout(200);
+    this.timeout(100);
     this.retries(2);
     console.log('TEST', times);
     if (++times < 3) {

test/integration/options.spec.js

@@ -349,6 +349,7 @@ describe('options', function () {
     var runExit = function (shouldExit, behavior) {
       return function (done) {
         this.timeout(0);
+        this.slow(3000);
         var didExit = true;
         var t;
         var args = behaviors[behavior] ? [behaviors[behavior]] : [];

test/integration/regression.spec.js

@@ -52,6 +52,7 @@ describe('regressions', function () {
     // on a modern MBP takes ±5 seconds on node 4.0, but on older laptops with node 0.12 ±40 seconds.
     // Could easily take longer on even weaker machines (Travis-CI containers for example).
     this.timeout(120000);
+    this.slow(12000);
     run('regression/issue-1991.fixture.js', [], function (err, res) {
       if (err) {
         done(err);

test/unit/duration.spec.js

@@ -18,7 +18,7 @@ describe('durations', function () {
   });
 
   describe('when fast', function () {
-    it('should highlight in green', function (done) {
+    it('should not highlight', function (done) {
       setTimeout(function () {
         done();
       }, 10);

test/unit/timeout.spec.js

@@ -14,10 +14,10 @@ describe('timeouts', function () {
   });
 
   it('should allow overriding per-test', function (done) {
-    this.timeout(1000);
+    this.timeout(200);
     setTimeout(function () {
       done();
-    }, 300);
+    }, 50);
   });
 
   describe('disabling', function () {
@@ -56,6 +56,7 @@ describe('timeouts', function () {
       this.timeout(4);
 
       it('should suppress timeout(4)', function (done) {
+        this.slow(100);
         // The test is in the before() call.
         this.enableTimeouts(false);
         setTimeout(done, 50);