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  		for (i = notStartedModules.length - 1; i >= 0; i--) {
  			startModule = notStartedModules[i];
  			startModule.stats = { all: 0, bad: 0, started: now() };
  			emit("suiteStart", startModule.suiteReport.start(true));
  			runLoggingCallbacks("moduleStart", {
  				name: startModule.name,
  				tests: startModule.tests
  			});
  		}

  		config.current = this;

  		this.testEnvironment = extend({}, module.testEnvironment);

  		this.started = now();
  		emit("testStart", this.testReport.start(true));
  		runLoggingCallbacks("testStart", {
  			name: this.testName,
  			module: module.name,
  			testId: this.testId,
  			previousFailure: this.previousFailure
  		});

  		if (!config.pollution) {
  			saveGlobal();
  		}
  	},

  	run: function run() {
  		var promise;

  		config.current = this;

  		this.callbackStarted = now();

  		if (config.notrycatch) {
  			runTest(this);
  			return;
  		}

  		try {
  			runTest(this);
  		} catch (e) {
  			this.pushFailure("Died on test #" + (this.assertions.length + 1) + " " + this.stack + ": " + (e.message || e), extractStacktrace(e, 0));

  			// Else next test will carry the responsibility
  			saveGlobal();

  			// Restart the tests if they're blocking
  			if (config.blocking) {
  				internalRecover(this);
  			}
  		}

  		function runTest(test) {
  			promise = test.callback.call(test.testEnvironment, test.assert);
  			test.resolvePromise(promise);

  			// If the test has a "lock" on it, but the timeout is 0, then we push a
  			// failure as the test should be synchronous.
  			if (test.timeout === 0 && test.semaphore !== 0) {
  				pushFailure("Test did not finish synchronously even though assert.timeout( 0 ) was used.", sourceFromStacktrace(2));
  			}
  		}
  	},

  	after: function after() {
  		checkPollution();
  	},

  	queueHook: function queueHook(hook, hookName, hookOwner) {
  		var _this = this;

  		var callHook = function callHook() {
  			var promise = hook.call(_this.testEnvironment, _this.assert);
  			_this.resolvePromise(promise, hookName);
  		};

  		var runHook = function runHook() {
  			if (hookName === "before") {
  				if (hookOwner.unskippedTestsRun !== 0) {
  					return;
  				}

  				_this.preserveEnvironment = true;
  			}

  			if (hookName === "after" && hookOwner.unskippedTestsRun !== numberOfUnskippedTests(hookOwner) - 1 && config.queue.length > 2) {
  				return;
  			}

  			config.current = _this;
  			if (config.notrycatch) {
  				callHook();
  				return;
  			}
  			try {
  				callHook();
  			} catch (error) {
  				_this.pushFailure(hookName + " failed on " + _this.testName + ": " + (error.message || error), extractStacktrace(error, 0));
  			}
  		};

  		return runHook;
  	},


  	// Currently only used for module level hooks, can be used to add global level ones
  	hooks: function hooks(handler) {
  		var hooks = [];

  		function processHooks(test, module) {
  			if (module.parentModule) {
  				processHooks(test, module.parentModule);
  			}

  			if (module.hooks[handler].length) {
  				for (var i = 0; i < module.hooks[handler].length; i++) {
  					hooks.push(test.queueHook(module.hooks[handler][i], handler, module));
  				}
  			}
  		}