test: give js-native-api tests consistent names

The convention for js-native-api/<test_name>:
  * <test_name>.c or <test_name>.cc has the entry point
  * The name of the target is <test_name>

test/js-native-api/2_function_arguments/binding.gyp

@@ -1,10 +1,10 @@
 {
   "targets": [
     {
-      "target_name": "binding",
+      "target_name": "2_function_arguments",
       "sources": [
         "../entry_point.c",
-        "binding.c"
+        "2_function_arguments.c"
       ]
     }
   ]

test/js-native-api/2_function_arguments/test.js

@@ -1,6 +1,6 @@
 'use strict';
 const common = require('../../common');
 const assert = require('assert');
-const addon = require(`./build/${common.buildType}/binding`);
+const addon = require(`./build/${common.buildType}/2_function_arguments`);
 
 assert.strictEqual(addon.add(3, 5), 8);

test/js-native-api/3_callbacks/binding.gyp

@@ -1,10 +1,10 @@
 {
   "targets": [
     {
-      "target_name": "binding",
+      "target_name": "3_callbacks",
       "sources": [
         "../entry_point.c",
-        "binding.c"
+        "3_callbacks.c"
       ]
     }
   ]

test/js-native-api/3_callbacks/test.js

@@ -1,7 +1,7 @@
 'use strict';
 const common = require('../../common');
 const assert = require('assert');
-const addon = require(`./build/${common.buildType}/binding`);
+const addon = require(`./build/${common.buildType}/3_callbacks`);
 
 addon.RunCallback(function(msg) {
   assert.strictEqual(msg, 'hello world');

test/js-native-api/4_object_factory/binding.gyp

@@ -1,10 +1,10 @@
 {
   "targets": [
     {
-      "target_name": "binding",
+      "target_name": "4_object_factory",
       "sources": [
         "../entry_point.c",
-        "binding.c"
+        "4_object_factory.c"
       ]
     }
   ]

test/js-native-api/4_object_factory/test.js

@@ -1,7 +1,7 @@
 'use strict';
 const common = require('../../common');
 const assert = require('assert');
-const addon = require(`./build/${common.buildType}/binding`);
+const addon = require(`./build/${common.buildType}/4_object_factory`);
 
 const obj1 = addon('hello');
 const obj2 = addon('world');

test/js-native-api/5_function_factory/binding.gyp

@@ -1,10 +1,10 @@
 {
   "targets": [
     {
-      "target_name": "binding",
+      "target_name": "5_function_factory",
       "sources": [
         "../entry_point.c",
-        "binding.c"
+        "5_function_factory.c"
       ]
     }
   ]

test/js-native-api/5_function_factory/test.js

@@ -1,7 +1,7 @@
 'use strict';
 const common = require('../../common');
 const assert = require('assert');
-const addon = require(`./build/${common.buildType}/binding`);
+const addon = require(`./build/${common.buildType}/5_function_factory`);
 
 const fn = addon();
 assert.strictEqual(fn(), 'hello world'); // 'hello world'

test/js-native-api/6_object_wrap/binding.gyp

@@ -1,10 +1,10 @@
 {
   "targets": [
     {
-      "target_name": "binding",
+      "target_name": "6_object_wrap",
       "sources": [
         "../entry_point.c",
-        "myobject.cc"
+        "6_object_wrap.cc"
       ]
     }
   ]

test/js-native-api/6_object_wrap/test.js

@@ -1,7 +1,7 @@
 'use strict';
 const common = require('../../common');
 const assert = require('assert');
-const addon = require(`./build/${common.buildType}/binding`);
+const addon = require(`./build/${common.buildType}/6_object_wrap`);
 
 const getterOnlyErrorRE =
   /^TypeError: Cannot set property .* of #<.*> which has only a getter$/;

test/js-native-api/7_factory_wrap/binding.gyp

@@ -1,10 +1,10 @@
 {
   "targets": [
     {
-      "target_name": "binding",
+      "target_name": "7_factory_wrap",
       "sources": [
         "../entry_point.c",
-        "binding.cc",
+        "7_factory_wrap.cc",
         "myobject.cc"
       ]
     }

test/js-native-api/7_factory_wrap/test.js

@@ -3,7 +3,7 @@
 
 const common = require('../../common');
 const assert = require('assert');
-const test = require(`./build/${common.buildType}/binding`);
+const test = require(`./build/${common.buildType}/7_factory_wrap`);
 
 assert.strictEqual(test.finalizeCount, 0);
 async function runGCTests() {

test/js-native-api/8_passing_wrapped/binding.gyp

@@ -1,10 +1,10 @@
 {
   "targets": [
     {
-      "target_name": "binding",
+      "target_name": "8_passing_wrapped",
       "sources": [
         "../entry_point.c",
-        "binding.cc",
+        "8_passing_wrapped.cc",
         "myobject.cc"
       ]
     }

test/js-native-api/8_passing_wrapped/test.js

@@ -3,7 +3,7 @@
 
 const common = require('../../common');
 const assert = require('assert');
-const addon = require(`./build/${common.buildType}/binding`);
+const addon = require(`./build/${common.buildType}/8_passing_wrapped`);
 
 async function runTest() {
   let obj1 = addon.createObject(10);

test/js-native-api/test_new_target/binding.gyp

@@ -1,11 +1,11 @@
 {
   'targets': [
     {
-      'target_name': 'binding',
+      'target_name': 'test_new_target',
       'defines': [ 'V8_DEPRECATION_WARNINGS=1' ],
       'sources': [
         '../entry_point.c',
-        'binding.c'
+        'test_new_target.c'
       ]
     }
   ]

test/js-native-api/test_new_target/test.js

@@ -2,7 +2,7 @@
 
 const common = require('../../common');
 const assert = require('assert');
-const binding = require(`./build/${common.buildType}/binding`);
+const binding = require(`./build/${common.buildType}/test_new_target`);
 
 class Class extends binding.BaseClass {
   constructor() {