Fix test name in ExpressionTest (#233)

Author: RTLcoil

cloudinary-core/src/test/java/com/cloudinary/transformation/ExpressionTest.java

@@ -80,7 +80,7 @@ public void normalize_width_recognizedAsVariableAndReplacedWithW() {
     }
 
     @Test
-    public void normalize_initialAspectRatio_recognizedAsVariableAndReplacedWithW() {
+    public void normalize_initialAspectRatio_recognizedAsVariableAndReplacedWithIar() {
         String result = Expression.normalize("initial_aspect_ratio");
         assertEquals("iar", result);
     }
@@ -174,4 +174,4 @@ public void normalize_doesntReplaceVariable_8() {
         String actual = Expression.normalize("$__height_100");
         assertEquals("$_height_100", actual);
     }
-}
+}