Tests: Add case for assert.throws() matching

Ref #1333.

test/cli/fixtures/expected/tap-outputs.js

@@ -52,6 +52,23 @@ ok 2 Second > 1
 # todo 0
 # fail 0`,
 
+	"qunit 'fail/throws-match.js'":
+`TAP version 13
+not ok 1 global failure
+  ---
+  message: "match error"
+  severity: failed
+  actual: {}
+  expected: {}
+  stack: .*
+  ...
+1..1
+# pass 0
+# skip 0
+# todo 0
+# fail 1
+`,
+
 	"qunit test single.js 'glob/**/*-test.js'":
 `TAP version 13
 ok 1 A-Test > derp

test/cli/fixtures/fail/throws-match.js

@@ -0,0 +1,7 @@
+QUnit.module( "Throws match", function() {
+	QUnit.test( "bad", function( assert ) {
+		assert.throws( function() {
+			throw new Error( "Match me with a pattern" );
+		}, /incorrect pattern/, "match error" );
+	} );
+} );

test/cli/main.js

@@ -79,9 +79,21 @@ QUnit.module( "CLI Main", function() {
 		}
 	} ) );
 
+	QUnit.test( "report assert.throws() failures properly", co.wrap( function* ( assert ) {
+		const command = "qunit fail/throws-match.js";
+		try {
+			yield execute( command );
+		} catch ( e ) {
+			assert.equal( e.code, 1 );
+			assert.equal( e.stderr, "" );
+			const re = new RegExp( expectedOutput[ command ] );
+			assert.equal( re.test( e.stdout ), true );
+		}
+	} ) );
+
 	QUnit.test( "exit code is 1 when failing tests are present", co.wrap( function* ( assert ) {
 		try {
-			yield execute( "qunit fail/*.js" );
+			yield execute( "qunit fail/failure.js" );
 		} catch ( e ) {
 			assert.equal( e.code, 1 );
 		}