Snippets improvements

snippets/ava.sublime-snippet

@@ -1,9 +1,9 @@
 <snippet>
     <content><![CDATA[
 import test from 'ava';
-import $1 from '$2';
+import $1 from ${2:'${1/([A-Z])/-\l$1/g}'};
 
-test('${3:title}', t => {
+test(${3/.+/'/}${3:title}${3/.+/', /}t => {
 	t.is($1(), '$4');
 });
 ]]></content>

snippets/test-async.sublime-snippet

@@ -1,6 +1,6 @@
 <snippet>
     <content><![CDATA[
-test('${1:title}', async t => {
+test(${1/.+/'/}${1:title}${1/.+/', /}async t => {
 	$2
 });
 ]]></content>

snippets/test-cb.sublime-snippet

@@ -1,6 +1,6 @@
 <snippet>
     <content><![CDATA[
-test.cb('${1:title}', t => {
+test.cb(${1/.+/'/}${1:title}${1/.+/', /}t => {
 	$2
 });
 ]]></content>

snippets/test-serial.sublime-snippet

@@ -1,6 +1,6 @@
 <snippet>
     <content><![CDATA[
-test.serial('${1:title}', t => {
+test.serial(${1/.+/'/}${1:title}${1/.+/', /}t => {
 	$2
 });
 ]]></content>

snippets/test.sublime-snippet

@@ -1,6 +1,6 @@
 <snippet>
     <content><![CDATA[
-test('${1:title}', t => {
+test(${1/.+/'/}${1:title}${1/.+/', /}t => {
 	$2
 });
 ]]></content>