[Tests] better failure messages

Author: ljharb

test/node_path.js

@@ -3,7 +3,7 @@ var test = require('tape');
 var resolve = require('../');
 
 test('$NODE_PATH', function (t) {
-    t.plan(4);
+    t.plan(8);
 
     resolve('aaa', {
         paths: [
@@ -12,7 +12,8 @@ test('$NODE_PATH', function (t) {
         ],
         basedir: __dirname
     }, function (err, res) {
-        t.equal(res, path.join(__dirname, '/node_path/x/aaa/index.js'));
+        t.error(err);
+        t.equal(res, path.join(__dirname, '/node_path/x/aaa/index.js'), 'aaa resolves');
     });
 
     resolve('bbb', {
@@ -22,7 +23,8 @@ test('$NODE_PATH', function (t) {
         ],
         basedir: __dirname
     }, function (err, res) {
-        t.equal(res, path.join(__dirname, '/node_path/y/bbb/index.js'));
+        t.error(err);
+        t.equal(res, path.join(__dirname, '/node_path/y/bbb/index.js'), 'bbb resolves');
     });
 
     resolve('ccc', {
@@ -32,7 +34,8 @@ test('$NODE_PATH', function (t) {
         ],
         basedir: __dirname
     }, function (err, res) {
-        t.equal(res, path.join(__dirname, '/node_path/x/ccc/index.js'));
+        t.error(err);
+        t.equal(res, path.join(__dirname, '/node_path/x/ccc/index.js'), 'ccc resolves');
     });
 
     /*
@@ -46,6 +49,7 @@ test('$NODE_PATH', function (t) {
         basedir: 'node_path/x'
     }, function (err, res) {
         var root = require('tap/package.json').main;
-        t.equal(res, path.resolve(__dirname, '..', 'node_modules/tap', root));
+        t.error(err);
+        t.equal(res, path.resolve(__dirname, '..', 'node_modules/tap', root), 'tap resolves');
     });
 });

test/symlinks.js

@@ -15,10 +15,10 @@ try {
 }
 
 test('symlink', function (t) {
-    t.plan(1);
+    t.plan(2);
 
     resolve('foo', { basedir: symlinkDir, preserveSymlinks: false }, function (err, res, pkg) {
-        if (err) t.fail(err);
+        t.error(err);
         t.equal(res, path.join(__dirname, 'resolver', 'symlinked', '_', 'node_modules', 'foo.js'));
     });
 });