feat(expectations): add toEndWith

src/Expectation.php

@@ -168,6 +168,16 @@ final class Expectation
         return $this;
     }
 
+    /**
+     * Asserts that the value ends with $expected.
+     */
+    public function toEndWith(string $expected): Expectation
+    {
+        Assert::assertStringEndsWith($expected, $this->value);
+
+        return $this;
+    }
+
     /**
      * Asserts that $count matches the number of elements of the value.
      */