diff --git a/tests/phpunit/tests/functions/wpGetWpVersion.php b/tests/phpunit/tests/functions/wpGetWpVersion.php
new file mode 100644
index 0000000000..d10d946e3b
--- /dev/null
+++ b/tests/phpunit/tests/functions/wpGetWpVersion.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * Tests for wp_get_wp_version().
+ *
+ * @group functions
+ *
+ * @covers ::wp_get_wp_version
+ */
+class Tests_Functions_WpGetWpVersion extends WP_UnitTestCase {
+
+	/**
+	 * Tests that the WordPress version is returned.
+	 *
+	 * @ticket 61627
+	 */
+	public function test_should_return_wp_version() {
+		$this->assertSame( $GLOBALS['wp_version'], wp_get_wp_version() );
+	}
+
+	/**
+	 * Tests that changes to the `$wp_version` global are ignored.
+	 *
+	 * @ticket 61627
+	 */
+	public function test_should_ignore_changes_to_wp_version_global() {
+		$original_wp_version   = $GLOBALS['wp_version'];
+		$GLOBALS['wp_version'] = 'modified_wp_version';
+		$actual                = wp_get_wp_version();
+		$GLOBALS['wp_version'] = $original_wp_version;
+
+		$this->assertSame( $original_wp_version, $actual );
+	}
+}