diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 38f71c9..d7a89d2 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -30,13 +30,9 @@ jobs:
 
       - name: Configure PHP
         run: |
-          if [ -z "$LOG_COVERAGE" ]; then rm /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini ; fi
+          if [ -n "$LOG_COVERAGE" ]; then echo "xdebug.mode=coverage" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini; else rm /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini; fi
           php --version
 
-      # trick composer that this is a "atk4/data:develop" dependency to install atk4/schema
-      - name: Rename HEAD to develop for Composer
-        run: git switch -C develop HEAD
-
       - name: Setup cache 1/2
         id: composer-cache
         run: |
diff --git a/composer.json b/composer.json
index 3f0e9e3..fd3e72f 100644
--- a/composer.json
+++ b/composer.json
@@ -36,12 +36,12 @@
   },
   "autoload": {
     "psr-4": {
-      "atk4\\chart\\": "src/"
+      "Atk4\\Chart\\": "src/"
     }
   },
   "autoload-dev": {
     "psr-4": {
-      "atk4\\chart\\tests\\": "tests/"
+      "Atk4\\Chart\\Tests\\": "tests/"
     }
   }
 }
diff --git a/demo/index.php b/demo/index.php
index 5554a45..ea22262 100644
--- a/demo/index.php
+++ b/demo/index.php
@@ -4,13 +4,14 @@
 
 require '../vendor/autoload.php';
 
-use atk4\chart\BarChart;
-use atk4\chart\ChartBox;
-use atk4\chart\PieChart;
-use atk4\data\Model;
-use atk4\data\Persistence\Array_;
-use atk4\ui\App;
-use atk4\ui\Columns;
+use Atk4\Chart\BarChart;
+use Atk4\Chart\ChartBox;
+use Atk4\Chart\PieChart;
+use Atk4\Data\Model;
+use Atk4\Data\Persistence\Array_;
+use Atk4\Ui\App;
+use Atk4\Ui\Columns;
+use Atk4\Ui\Layout;
 
 $p = ['t' => [
     ['name' => 'January', 'sales' => 20000, 'purchases' => 10000],
@@ -22,7 +23,7 @@
 $m->addFields(['name', 'sales', 'purchases', 'profit']);
 $m->onHook($m::HOOK_AFTER_LOAD, function ($m) { $m->set('profit', $m->get('sales') - $m->get('purchases')); });
 $app = new App('Chart Demo');
-$app->initLayout([\atk4\ui\Layout\Centered::class]);
+$app->initLayout([Layout\Centered::class]);
 
 // split in columns
 $columns = Columns::addTo($app->layout);
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index aeb0eac..2beed80 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,4 +1,4 @@
-<phpunit colors="true" bootstrap="vendor/autoload.php" printerClass="atk4\core\AtkPhpunit\ResultPrinter">
+<phpunit colors="true" bootstrap="vendor/autoload.php" printerClass="Atk4\Core\AtkPhpunit\ResultPrinter">
     <php>
         <var name="DB_DSN" value="sqlite::memory:" />
         <var name="DB_USER" value="" />
diff --git a/src/BarChart.php b/src/BarChart.php
index 0fc6b98..e3550ff 100644
--- a/src/BarChart.php
+++ b/src/BarChart.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace atk4\chart;
+namespace Atk4\Chart;
 
 class BarChart extends Chart
 {
diff --git a/src/Chart.php b/src/Chart.php
index be9d83a..84d5403 100644
--- a/src/Chart.php
+++ b/src/Chart.php
@@ -2,12 +2,12 @@
 
 declare(strict_types=1);
 
-namespace atk4\chart;
+namespace Atk4\Chart;
 
-use atk4\core\Exception;
-use atk4\data\Model;
-use atk4\ui\jsExpression;
-use atk4\ui\View;
+use Atk4\Core\Exception;
+use Atk4\Data\Model;
+use Atk4\Ui\JsExpression;
+use Atk4\Ui\View;
 
 /**
  * Implement basic logic for ChartJS.
@@ -59,7 +59,7 @@ protected function init(): void
      */
     public function renderView(): void
     {
-        $this->js(true, new jsExpression('new Chart([], []);', [$this->name, $this->getConfig()]));
+        $this->js(true, new JsExpression('new Chart([], []);', [$this->name, $this->getConfig()]));
 
         parent::renderView();
     }
@@ -175,13 +175,13 @@ public function withCurrency(string $char = '€', string $axis = 'y')
         // magic regex adds commas as thousand separators: http://009co.com/?p=598
         $options['scales'][$axis . 'Axes'] =
             [['ticks' => [
-                'userCallback' => new jsExpression('{}', ['function(value) { value=Math.round(value*1000000)/1000000; return "' . $char . ' " + value.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ","); }']),
+                'userCallback' => new JsExpression('{}', ['function(value) { value=Math.round(value*1000000)/1000000; return "' . $char . ' " + value.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ","); }']),
             ]]];
 
         $options['tooltips'] = [
             'enabled' => true,
             'mode' => 'single',
-            'callbacks' => ['label' => new jsExpression('{}', ['function(item, data) { return item.' . $axis . 'Label ? "' . $char . ' " +  item.' . $axis . 'Label.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") : "No Data"; }'])],
+            'callbacks' => ['label' => new JsExpression('{}', ['function(item, data) { return item.' . $axis . 'Label ? "' . $char . ' " +  item.' . $axis . 'Label.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") : "No Data"; }'])],
         ];
 
         $this->setOptions($options);
diff --git a/src/ChartBox.php b/src/ChartBox.php
index ce80089..8cee983 100644
--- a/src/ChartBox.php
+++ b/src/ChartBox.php
@@ -2,10 +2,10 @@
 
 declare(strict_types=1);
 
-namespace atk4\chart;
+namespace Atk4\Chart;
 
-use atk4\ui\Label;
-use atk4\ui\View;
+use Atk4\Ui\Label;
+use Atk4\Ui\View;
 
 /**
  * Implements a box that contains a chart.
diff --git a/src/PieChart.php b/src/PieChart.php
index 18b9c42..f1f309a 100644
--- a/src/PieChart.php
+++ b/src/PieChart.php
@@ -2,11 +2,11 @@
 
 declare(strict_types=1);
 
-namespace atk4\chart;
+namespace Atk4\Chart;
 
-use atk4\core\Exception;
-use atk4\data\Model;
-use atk4\ui\jsExpression;
+use Atk4\Core\Exception;
+use Atk4\Data\Model;
+use Atk4\Ui\JsExpression;
 
 class PieChart extends Chart
 {
@@ -77,7 +77,7 @@ public function withCurrency(string $char = '€', string $axis = 'y')
             //'enabled' => true,
             //'mode'    => 'single',
             'callbacks' => [
-                'label' => new jsExpression('{}', [
+                'label' => new JsExpression('{}', [
                     'function(item, data, bb) {
                         var val = data.datasets[item.datasetIndex].data[item.index];
                         return "' . $char . '" +  val.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
diff --git a/tests/BasicTest.php b/tests/BasicTest.php
index dd4c122..ba27383 100644
--- a/tests/BasicTest.php
+++ b/tests/BasicTest.php
@@ -2,9 +2,9 @@
 
 declare(strict_types=1);
 
-namespace atk4\ui\tests;
+namespace Atk4\Chart\Tests;
 
-use atk4\core\AtkPhpunit;
+use Atk4\Core\AtkPhpunit;
 
 class BasicTest extends AtkPhpunit\TestCase
 {
@@ -13,6 +13,6 @@ class BasicTest extends AtkPhpunit\TestCase
      */
     public function testTesting()
     {
-        $this->assertSame('foo', 'foo');
+        $this->assertTrue(true);
     }
 }