diff --git a/tests/phpunit/tests/site-health.php b/tests/phpunit/tests/site-health.php
new file mode 100644
index 0000000000..6c22fe4ddf
--- /dev/null
+++ b/tests/phpunit/tests/site-health.php
@@ -0,0 +1,107 @@
+<?php
+
+/**
+ * @group site-health
+ */
+class Tests_Site_Health extends WP_UnitTestCase {
+	public static function wpSetUpBeforeClass() {
+		// Include the `WP_Site_Health` file.
+		include_once( ABSPATH . 'wp-admin/includes/class-wp-site-health.php' );
+	}
+
+	/**
+	 * Ensure Site Health reports correctly cron job reports.
+	 *
+	 * @ticket 47223
+	 */
+	function test_cron_health_checks_critical() {
+		// Clear the cron array.
+		_set_cron_array( array() );
+		$wp_site_health = new WP_Site_Health();
+		$cron_health    = $wp_site_health->get_test_scheduled_events();
+
+		$this->assertSame( 'critical', $cron_health['status'] );
+		$this->assertSame( __( 'It was not possible to check your scheduled events' ), $cron_health['label'] );
+		$this->assertWPError( $wp_site_health->has_late_cron() );
+		$this->assertWPError( $wp_site_health->has_missed_cron() );
+	}
+
+	/**
+	 * Ensure Site Health reports correctly cron job reports.
+	 *
+	 * @dataProvider data_cron_health_checks
+	 * @ticket 47223
+	 */
+	function test_cron_health_checks( $times, $expected_status, $expected_label, $expected_late, $expected_missed ) {
+		/*
+		 * Clear the cron array.
+		 *
+		 * The core jobs may register as late/missed in the test suite as they
+		 * are not run. Clearing the array ensures the site health tests are only
+		 * reported based on the jobs set in the test.
+		 */
+		_set_cron_array( array() );
+		$times = (array) $times;
+		foreach ( $times as $job => $time ) {
+			$timestamp = strtotime( $time );
+			wp_schedule_event( $timestamp, 'daily', __FUNCTION__ . "_{$job}" );
+		}
+
+		$wp_site_health = new WP_Site_Health();
+		$cron_health    = $wp_site_health->get_test_scheduled_events();
+
+		$this->assertSame( $expected_status, $cron_health['status'] );
+		$this->assertSame( $expected_label, $cron_health['label'] );
+		$this->assertSame( $expected_late, $wp_site_health->has_late_cron() );
+		$this->assertSame( $expected_missed, $wp_site_health->has_missed_cron() );
+	}
+
+	/**
+	 * Data provider for Site Health cron reports.
+	 *
+	 * The test suite runs with `DISABLE_WP_CRON === true` so the
+	 * missed and late tests need to account for the extended periods
+	 * allowed for with this flag enabled.
+	 *
+	 * 1. string|array Times to schedule (run through strtotime())
+	 * 2. string       Expected status
+	 * 3. string       Expected label
+	 * 4. bool         Expected outcome has_late_cron()
+	 * 5. bool         Expected outcome has_missed_cron()
+	 */
+	function data_cron_health_checks() {
+		return array(
+			array(
+				'+5 minutes',
+				'good',
+				__( 'Scheduled events are running' ),
+				false,
+				false,
+			),
+			array(
+				'-50 minutes',
+				'recommended',
+				__( 'A scheduled event is late' ),
+				true,
+				false,
+			),
+			array(
+				'-500 minutes',
+				'recommended',
+				__( 'A scheduled event has failed' ),
+				false,
+				true,
+			),
+			array(
+				array(
+					'-50 minutes',
+					'-500 minutes',
+				),
+				'recommended',
+				__( 'A scheduled event has failed' ),
+				true,
+				true,
+			),
+		);
+	}
+}