feat: do not put space before title if there is no root suite

lib/gui/tool-runner/utils.js

@@ -20,8 +20,9 @@ exports.getShortMD5 = (str) => {
 };
 
 exports.mkFullTitle = ({suite, state}) => {
-    // https://github.com/mochajs/mocha/blob/v2.4.5/lib/runnable.js#L165
-    return `${suite.path.join(' ')} ${state.name}`;
+    return suite.path.length > 0
+        ? `${suite.path.join(' ')} ${state.name}`
+        : state.name;
 };
 
 // 'databaseUrls.json' may contain many databases urls but html-reporter at gui mode can work with single databases file.

test/unit/lib/gui/tool-runner/utils.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const {mkFullTitle} = require('lib/gui/tool-runner/utils');
+
+describe('lib/gui/tool-runner/utils', () => {
+    describe('mkFullTitle', () => {
+        it('should build title if array with path is not empty', () => {
+            const suite = {path: ['p1', 'p2']};
+            const state = {name: 'state'};
+
+            assert.equal(mkFullTitle({suite, state}), 'p1 p2 state');
+        });
+
+        it('should build title if array with path is empty', () => {
+            const suite = {path: []};
+            const state = {name: 'state'};
+
+            assert.equal(mkFullTitle({suite, state}), 'state');
+        });
+    });
+});