diff --git a/tests/phpunit/tests/import/import.php b/tests/phpunit/tests/import/import.php
index 1053b01dbb..0f4412fe11 100644
--- a/tests/phpunit/tests/import/import.php
+++ b/tests/phpunit/tests/import/import.php
@@ -33,6 +33,9 @@ class Tests_Import_Import extends WP_Import_UnitTestCase {
 		}
 	}
 
+	/**
+	 * @covers WP_Import::import
+	 */
 	public function test_small_import() {
 		global $wpdb;
 
@@ -201,6 +204,9 @@ class Tests_Import_Import extends WP_Import_UnitTestCase {
 		$this->assertCount( 1, $cats );
 	}
 
+	/**
+	 * @covers WP_Import::import
+	 */
 	public function test_double_import() {
 		$authors = array(
 			'admin'  => false,
@@ -242,6 +248,9 @@ class Tests_Import_Import extends WP_Import_UnitTestCase {
 		$this->assertSame( 1, $comment_count->total_comments );
 	}
 
+	/**
+	 * @covers ::get_importers
+	 */
 	public function test_ordering_of_importers() {
 		global $wp_importers;
 		$_wp_importers = $wp_importers; // Preserve global state.
@@ -267,6 +276,8 @@ class Tests_Import_Import extends WP_Import_UnitTestCase {
 
 	/**
 	 * @ticket 21007
+	 *
+	 * @covers WP_Import::import
 	 */
 	public function test_slashes_should_not_be_stripped() {
 		global $wpdb;
diff --git a/tests/phpunit/tests/import/parser.php b/tests/phpunit/tests/import/parser.php
index 40ed789ac6..76dc3c1972 100644
--- a/tests/phpunit/tests/import/parser.php
+++ b/tests/phpunit/tests/import/parser.php
@@ -24,6 +24,10 @@ class Tests_Import_Parser extends WP_Import_UnitTestCase {
 		require_once DIR_TESTDATA . '/plugins/wordpress-importer/wordpress-importer.php';
 	}
 
+	/**
+	 * @covers WXR_Parser_SimpleXML::parse
+	 * @covers WXR_Parser_XML::parse
+	 */
 	public function test_malformed_wxr() {
 		$file = DIR_TESTDATA . '/export/malformed.xml';
 
@@ -36,6 +40,11 @@ class Tests_Import_Parser extends WP_Import_UnitTestCase {
 		}
 	}
 
+	/**
+	 * @covers WXR_Parser_SimpleXML::parse
+	 * @covers WXR_Parser_XML::parse
+	 * @covers WXR_Parser_Regex::parse
+	 */
 	public function test_invalid_wxr() {
 		$f1 = DIR_TESTDATA . '/export/missing-version-tag.xml';
 		$f2 = DIR_TESTDATA . '/export/invalid-version-tag.xml';
@@ -50,6 +59,11 @@ class Tests_Import_Parser extends WP_Import_UnitTestCase {
 		}
 	}
 
+	/**
+	 * @covers WXR_Parser_SimpleXML::parse
+	 * @covers WXR_Parser_XML::parse
+	 * @covers WXR_Parser_Regex::parse
+	 */
 	public function test_wxr_version_1_1() {
 		$file = DIR_TESTDATA . '/export/valid-wxr-1.1.xml';
 
@@ -143,6 +157,11 @@ class Tests_Import_Parser extends WP_Import_UnitTestCase {
 		}
 	}
 
+	/**
+	 * @covers WXR_Parser_SimpleXML::parse
+	 * @covers WXR_Parser_XML::parse
+	 * @covers WXR_Parser_Regex::parse
+	 */
 	public function test_wxr_version_1_0() {
 		$file = DIR_TESTDATA . '/export/valid-wxr-1.0.xml';
 
@@ -236,6 +255,10 @@ class Tests_Import_Parser extends WP_Import_UnitTestCase {
 	 * sections that contain escaped closing tags ("]]>" -> "]]]]><![CDATA[>").
 	 *
 	 * @link https://core.trac.wordpress.org/ticket/15203
+	 *
+	 * @covers WXR_Parser_SimpleXML::parse
+	 * @covers WXR_Parser_XML::parse
+	 * @covers WXR_Parser_Regex::parse
 	 */
 	public function test_escaped_cdata_closing_sequence() {
 		$file = DIR_TESTDATA . '/export/crazy-cdata-escaped.xml';
@@ -269,6 +292,8 @@ class Tests_Import_Parser extends WP_Import_UnitTestCase {
 	/**
 	 * Ensure that the regex parser can still parse invalid CDATA blocks (i.e. those
 	 * with "]]>" unescaped within a CDATA section).
+	 *
+	 * @covers WXR_Parser_Regex::parse
 	 */
 	public function test_unescaped_cdata_closing_sequence() {
 		$file = DIR_TESTDATA . '/export/crazy-cdata.xml';
diff --git a/tests/phpunit/tests/import/postmeta.php b/tests/phpunit/tests/import/postmeta.php
index 0abd7f0a9d..bbe10deca9 100644
--- a/tests/phpunit/tests/import/postmeta.php
+++ b/tests/phpunit/tests/import/postmeta.php
@@ -4,6 +4,8 @@ require_once __DIR__ . '/base.php';
 
 /**
  * @group import
+ *
+ * @covers WP_Import::import
  */
 class Tests_Import_Postmeta extends WP_Import_UnitTestCase {
 	public function set_up() {