Ensure author identity

Author: claudiu-cristea

tests/Gitonomy/Git/Tests/LogTest.php

@@ -80,9 +80,14 @@ public function testIterable($repository)
     public function testFirstMessageEmpty()
     {
         $repository = $this->createEmptyRepository(false);
+        $repository->run('config', ['--local', 'user.name', '"Unit Test"']);
+        $repository->run('config', ['--local', 'user.email', '"[email protected]"']);
+
+        // Edge case: first commit lacks a message.
         file_put_contents($repository->getWorkingDir().'/file', 'foo');
         $repository->run('add', ['.']);
         $repository->run('commit', ['--allow-empty-message', '--no-edit']);
+
         $commits = $repository->getLog()->getCommits();
         $this->assertCount(1, $commits);
     }