diff --git a/field_example/src/Tests/ColorBackgroundFormatterTest.php b/field_example/src/Tests/ColorBackgroundFormatterTest.php
deleted file mode 100644
index d8ef776..0000000
--- a/field_example/src/Tests/ColorBackgroundFormatterTest.php
+++ /dev/null
@@ -1,96 +0,0 @@
-<?php
-
-namespace Drupal\field_example\Tests;
-
-use \Drupal\field_example\FieldExampleWebTestBase;
-
-/**
- * Test the basic functionality of Color background  formatter.
- *
- * Create a content type with a field_example_rgb field, configure it with the
- * color_background_formatter, create a node and check for correct values.
- *
- * @group field_example
- * @group examples
- *
- * @ingroup field_example
- */
-class ColorBackgroundFormatterTest extends FieldExampleWebTestBase {
-
-  /**
-   * Test scenarios in Field example.
-   *
-   * - Creates a content type.
-   * - Adds a multivalued field_example_rgb to it.
-   * - Creates a node of the new type.
-   * - Populates the multivalued field with two items.
-   * - Tests the result.
-   */
-  public function testSingleValueField() {
-    // Login with Admin and create a field.
-    $this->drupalLogin($this->administratorAccount);
-    $this->fieldName = $this->createField('field_example_rgb', 'field_example_colorpicker', '1', 'field_example_color_background');
-
-    // Login with Author user for content creation.
-    $this->drupalLogin($this->authorAccount);
-    $this->drupalGet('node/add/' . $this->contentTypeName);
-
-    // Details to be submitted for content creation.
-    $title = $this->randomMachineName(20);
-    $edit = array(
-      'title[0][value]' => $title,
-      'field_' . $this->fieldName . '[0][value]' => '#00ff00',
-    );
-
-    // Submit the content creation form.
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $this->assertText(t('@type @title has been created', array('@type' => $this->contentTypeName, '@title' => $title)));
-
-    // Verify color.
-    $this->assertText(t('The content area color has been changed to #00ff00'), 'Verify the color');
-  }
-
-  /**
-   * Test scenarios in Field example.
-   *
-   * - Creates a content type.
-   * - Adds a multivalued field_example_rgb to it.
-   * - Creates a node of the new type.
-   * - Populates the multivalued field with two items.
-   * - Tests the result.
-   */
-  public function testMultiValueField() {
-
-    // Login with Admin and create a field.
-    $this->drupalLogin($this->administratorAccount);
-    $this->fieldName = $this->createField('field_example_rgb', 'field_example_colorpicker', '-1', 'field_example_color_background');
-
-    // Login with Author user for content creation.
-    $this->drupalLogin($this->authorAccount);
-    $this->drupalGet('node/add/' . $this->contentTypeName);
-
-    // Details to be submitted for content creation.
-    $title = $this->randomMachineName(20);
-    $edit = array(
-      'title[0][value]' => $title,
-      'field_' . $this->fieldName . '[0][value]' => '#00ff00',
-    );
-
-    // Add another field value.
-    $this->drupalPostForm(NULL, $edit, t('Add another item'));
-
-    // Set value for newly added item.
-    $edit = array(
-      'field_' . $this->fieldName . '[1][value]' => '#ffff4f',
-    );
-
-    // Submit the content creation form.
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $this->assertText(t('@type @title has been created', array('@type' => $this->contentTypeName, '@title' => $title)));
-
-    // Verify color.
-    $this->assertText(t('The content area color has been changed to #00ff00'), 'Verify the color of field 1');
-    $this->assertText(t('The content area color has been changed to #ffff4f'), 'Verify the color of field 2');
-  }
-
-}
diff --git a/field_example/src/Tests/ColorPickerWidgetTest.php b/field_example/src/Tests/ColorPickerWidgetTest.php
deleted file mode 100644
index a3b969d..0000000
--- a/field_example/src/Tests/ColorPickerWidgetTest.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-
-namespace Drupal\field_example\Tests;
-
-use Drupal\field_example\FieldExampleWebTestBase;
-
-/**
- * Test the basic functionality of Color Picker Widget.
- *
- * Create the content type with field_example_rgb field, and configure it
- * with field_example_colorpicker, then create a node of content type
- * and verify the values.
- *
- * @group field_example
- * @group examples
- *
- * @ingroup field_example
- */
-class ColorPickerWidgetTest extends FieldExampleWebTestBase {
-
-  /**
-   * Test scenarios in Field example.
-   *
-   * - Creates a content type.
-   * - Adds a single-valued field_example_rgb to it.
-   * - Creates a node of the new type.
-   * - Populates the single-valued field.
-   * - Tests the result.
-   */
-  public function testSingleValueField() {
-
-    // Login with Admin and create a field.
-    $this->drupalLogin($this->administratorAccount);
-    $this->fieldName = $this->createField('field_example_rgb', 'field_example_colorpicker', '1');
-
-    // Login with Author user for content creation.
-    $this->drupalLogin($this->authorAccount);
-    $this->drupalGet('node/add/' . $this->contentTypeName);
-
-    // Details to be submitted for content creation.
-    $title = $this->randomMachineName(20);
-    $edit = array(
-      'title[0][value]' => $title,
-      'field_' . $this->fieldName . '[0][value]' => '#00ff00',
-    );
-
-    // Submit the content creation form.
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $this->assertText(t('@type @title has been created', array('@type' => $this->contentTypeName, '@title' => $title)));
-
-    // Verify color.
-    $this->assertText(t('The color code in this field is #00ff00'), 'Verify the color');
-  }
-
-  /**
-   * Test scenarios in Field example.
-   *
-   * - Creates a content type.
-   * - Adds a multivalued field_example_rgb to it.
-   * - Creates a node of the new type.
-   * - Populates the multivalued field with two items.
-   * - Tests the result.
-   */
-  public function testMultiValueField() {
-
-    // Login with Admin and create a field.
-    $this->drupalLogin($this->administratorAccount);
-    $this->fieldName = $this->createField('field_example_rgb', 'field_example_colorpicker', '-1');
-
-    // Login with Author user for content creation.
-    $this->drupalLogin($this->authorAccount);
-    $this->drupalGet('node/add/' . $this->contentTypeName);
-
-    // Details to be submitted for content creation.
-    $title = $this->randomMachineName(20);
-    $edit = array(
-      'title[0][value]' => $title,
-      'field_' . $this->fieldName . '[0][value]' => '#00ff00',
-    );
-
-    // Add another field value.
-    $this->drupalPostForm(NULL, $edit, t('Add another item'));
-
-    // Set value for newly added item.
-    $edit = array(
-      'field_' . $this->fieldName . '[1][value]' => '#ffffff',
-    );
-
-    // Submit the content creation form.
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $this->assertText(t('@type @title has been created', array('@type' => $this->contentTypeName, '@title' => $title)));
-
-    // Verify color.
-    $this->assertText(t('The color code in this field is #00ff00'), 'Verify the color of field 1');
-    $this->assertText(t('The color code in this field is #ffffff'), 'Verify the color of field 2');
-  }
-
-}
diff --git a/field_example/src/Tests/FieldExampleMenuTest.php b/field_example/src/Tests/FieldExampleMenuTest.php
deleted file mode 100644
index 825af7f..0000000
--- a/field_example/src/Tests/FieldExampleMenuTest.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-namespace Drupal\field_example\Tests;
-
-use Drupal\simpletest\WebTestBase;
-
-/**
- * Test the user-facing menus in Field Example.
- *
- * @group field_example
- * @group examples
- *
- * @ingroup field_example
- */
-class FieldExampleMenuTest extends WebTestBase {
-
-  /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = array('field_example');
-
-  /**
-   * The installation profile to use with this test.
-   *
-   * This test class requires the "Tools" block.
-   *
-   * @var string
-   */
-  protected $profile = 'minimal';
-
-  /**
-   * Test for a link to the block example in the Tools menu.
-   */
-  public function testFieldExampleLink() {
-    $this->drupalGet('');
-    $this->assertLinkByHref('examples/field-example');
-  }
-
-  /**
-   * Tests field_example menus.
-   */
-  public function testBlockExampleMenu() {
-    $this->drupalGet('examples/field-example');
-    $this->assertResponse(200, 'Description page exists.');
-  }
-
-}
diff --git a/field_example/src/Tests/Text3WidgetTest.php b/field_example/src/Tests/Text3WidgetTest.php
deleted file mode 100644
index c3c2dd2..0000000
--- a/field_example/src/Tests/Text3WidgetTest.php
+++ /dev/null
@@ -1,103 +0,0 @@
-<?php
-
-namespace Drupal\field_example\Tests;
-
-use Drupal\field_example\FieldExampleWebTestBase;
-
-/**
- * Functional tests of the 3text widget.
- *
- * Create a content type with a example_field_rgb field, configure it with the
- * field_example_text-widget, create a node and check for correct values.
- *
- * @group field_example
- * @group examples
- */
-class Text3WidgetTest extends FieldExampleWebTestBase {
-
-  /**
-   * Test basic functionality of the example field.
-   *
-   * - Creates a content type.
-   * - Adds a single-valued field_example_rgb to it.
-   * - Adds a multivalued field_example_rgb to it.
-   * - Creates a node of the new type.
-   * - Populates the single-valued field.
-   * - Populates the multivalued field with two items.
-   * - Tests the result.
-   */
-  public function testSingleValueField() {
-    // Add a single field as administrator user.
-    $this->drupalLogin($this->administratorAccount);
-    $this->fieldName = $this->createField('field_example_rgb', 'field_example_3text', '1');
-    // Post-condition: Content type now has the desired field.
-    // Switch to the author user to create content with this type and field.
-    $this->drupalLogin($this->authorAccount);
-    $this->drupalGet('node/add/' . $this->contentTypeName);
-
-    // Fill the create form.
-    $title = 'test_title';
-    $edit = array(
-      'title[0][value]' => $title,
-      'field_' . $this->fieldName . '[0][value][r]' => '00',
-      'field_' . $this->fieldName . '[0][value][g]' => '0a',
-      'field_' . $this->fieldName . '[0][value][b]' => '01',
-    );
-
-    // Create the content.
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $this->assertText(t('@type @title has been created', array('@type' => $this->contentTypeName, '@title' => $title)));
-
-    // Verify the value is shown when viewing this node.
-    $field_p = $this->xpath("//div[contains(@class,'field--type-field-example-rgb')]/div/p");
-    $this->assertEqual((string) $field_p[0], "The color code in this field is #000a01");
-  }
-
-  /**
-   * Test basic functionality of the example field.
-   *
-   * - Creates a content type.
-   * - Adds a single-valued field_example_rgb to it.
-   * - Adds a multivalued field_example_rgb to it.
-   * - Creates a node of the new type.
-   * - Populates the single-valued field.
-   * - Populates the multivalued field with two items.
-   * - Tests the result.
-   */
-  public function testMultiValueField() {
-    // Add a single field as administrator user.
-    $this->drupalLogin($this->administratorAccount);
-    $this->fieldName = $this->createField('field_example_rgb', 'field_example_3text', '-1');
-    // Post-condition: Content type now has the desired field.
-    // Switch to the author user to create content with this type and field.
-    $this->drupalLogin($this->authorAccount);
-    $this->drupalGet('node/add/' . $this->contentTypeName);
-
-    // Fill the create form.
-    $title = $this->randomMachineName(20);
-    $edit = array(
-      'title[0][value]' => $title,
-      'field_' . $this->fieldName . '[0][value][r]' => '00',
-      'field_' . $this->fieldName . '[0][value][g]' => 'ff',
-      'field_' . $this->fieldName . '[0][value][b]' => '00',
-    );
-
-    // Add a 2nd item to the multivalue field, so hit "add another".
-    $this->drupalPostForm(NULL, $edit, t('Add another item'));
-    $edit = array(
-      'field_' . $this->fieldName . '[1][value][r]' => 'ff',
-      'field_' . $this->fieldName . '[1][value][g]' => 'ff',
-      'field_' . $this->fieldName . '[1][value][b]' => 'ff',
-    );
-
-    // Create the content.
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $this->assertText(t('@type @title has been created', array('@type' => $this->contentTypeName, '@title' => $title)));
-
-    // Verify the values are shown when viewing this node.
-    $field_p = $this->xpath("//div[contains(@class,'field--type-field-example-rgb')]/div/div/p");
-    $this->assertEqual((string) $field_p[0], "The color code in this field is #00ff00");
-    $this->assertEqual((string) $field_p[1], "The color code in this field is #ffffff");
-  }
-
-}
diff --git a/field_example/src/Tests/TextWidgetTest.php b/field_example/src/Tests/TextWidgetTest.php
deleted file mode 100644
index f3521c2..0000000
--- a/field_example/src/Tests/TextWidgetTest.php
+++ /dev/null
@@ -1,102 +0,0 @@
-<?php
-
-namespace Drupal\field_example\Tests;
-
-use Drupal\field_example\FieldExampleWebTestBase;
-
-/**
- * Test basic functionality of the widgets.
- *
- * Create a content type with a example_field_rgb field, configure it with the
- * field_example_text-widget, create a node and check for correct values.
- *
- * @group field_example
- * @group examples
- *
- * @ingroup field_example
- */
-class TextWidgetTest extends FieldExampleWebTestBase {
-
-  /**
-   * Test basic functionality of the example field.
-   *
-   * - Creates a content type.
-   * - Adds a single-valued field_example_rgb to it.
-   * - Adds a multivalued field_example_rgb to it.
-   * - Creates a node of the new type.
-   * - Populates the single-valued field.
-   * - Populates the multivalued field with two items.
-   * - Tests the result.
-   */
-  public function testSingleValueField() {
-    // Add a single field as administrator user.
-    $this->drupalLogin($this->administratorAccount);
-    $this->fieldName = $this->createField('field_example_rgb', 'field_example_text', '1');
-
-    // Now that we have a content type with the desired field, switch to the
-    // author user to create content with it.
-    $this->drupalLogin($this->authorAccount);
-    $this->drupalGet('node/add/' . $this->contentTypeName);
-
-    // Add a node.
-    $title = $this->randomMachineName(20);
-    $edit = array(
-      'title[0][value]' => $title,
-      'field_' . $this->fieldName . '[0][value]' => '#000001',
-    );
-
-    // Create the content.
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $this->assertText(t('@type @title has been created', array('@type' => $this->contentTypeName, '@title' => $title)));
-
-    // Verify the value is shown when viewing this node.
-    $field_p = $this->xpath("//div[contains(@class,'field--type-field-example-rgb')]/div/p");
-    $this->assertEqual((string) $field_p[0], "The color code in this field is #000001");
-  }
-
-  /**
-   * Test basic functionality of the example field.
-   *
-   * - Creates a content type.
-   * - Adds a single-valued field_example_rgb to it.
-   * - Adds a multivalued field_example_rgb to it.
-   * - Creates a node of the new type.
-   * - Populates the single-valued field.
-   * - Populates the multivalued field with two items.
-   * - Tests the result.
-   */
-  public function testMultiValueField() {
-    // Add a single field as administrator user.
-    $this->drupalLogin($this->administratorAccount);
-    $this->fieldName = $this->createField('field_example_rgb', 'field_example_text', '-1');
-
-    // Now that we have a content type with the desired field, switch to the
-    // author user to create content with it.
-    $this->drupalLogin($this->authorAccount);
-    $this->drupalGet('node/add/' . $this->contentTypeName);
-
-    // Add a node.
-    $title = $this->randomMachineName(20);
-    $edit = array(
-      'title[0][value]' => $title,
-      'field_' . $this->fieldName . '[0][value]' => '#00ff00',
-    );
-
-    // We want to add a 2nd item to the multivalue field, so hit "add another".
-    $this->drupalPostForm(NULL, $edit, t('Add another item'));
-
-    $edit = array(
-      'field_' . $this->fieldName . '[1][value]' => '#ffffff',
-    );
-
-    // Now we can fill in the second item in the multivalue field and save.
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $this->assertText(t('@type @title has been created', array('@type' => $this->contentTypeName, '@title' => $title)));
-
-    // Verify the value is shown when viewing this node.
-    $field_p = $this->xpath("//div[contains(@class,'field--type-field-example-rgb')]/div/div/p");
-    $this->assertEqual((string) $field_p[0], "The color code in this field is #00ff00");
-    $this->assertEqual((string) $field_p[1], "The color code in this field is #ffffff");
-  }
-
-}