Keep the former methods around.

src/TestSuite/TestCase.php

@@ -265,6 +265,19 @@ public function assertTextNotContains($needle, $haystack, $message = '', $ignore
 		$this->assertNotContains($needle, $haystack, $message, $ignoreCase);
 	}
 
+/**
+ * Asserts HTML tags.
+ *
+ * @param array $expected An array, see above
+ * @param string $string An HTML/XHTML/XML string
+ * @param string $fullDebug Whether or not more verbose output should be used.
+ * @return void
+ * @deprecated 3.0. Use assertHtml() instead.
+ */
+	public function assertTags($string, $expected, $fullDebug = false) {
+		static::assertHtml($expected, $string, $fullDebug);
+	}
+
 /**
  * Asserts HTML tags.
  *
@@ -482,6 +495,20 @@ protected function _normalizePath($path) {
 
 // @codingStandardsIgnoreStart
 
+/**
+ * Compatibility function to test if a value is between an acceptable range.
+ *
+ * @param float $result
+ * @param float $expected
+ * @param float $margin the rage of acceptation
+ * @param string $message the text to display if the assertion is not correct
+ * @return void
+ * @deprecated 3.0. Use assertWithinRange() instead.
+ */
+	protected static function assertWithinMargin($result, $expected, $margin, $message = '') {
+		static::assertWithinRange($expected, $result, $margin, $message);
+	}
+
 /**
  * Compatibility function to test if a value is between an acceptable range.
  *