Whitespace cleanup: tab removal in tests directory

Also changed space-based indentation in touched files if they used
4 spaces for indentation (instead of the most-often-used 2).

Also added new line to end of touched files if they did not end
that way.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu

tests/jerry/array-prototype-reverse.js

@@ -18,7 +18,7 @@ var array = [4, 3, 2, 1, 0]
 array.reverse();
 
 for (i = 0; i < array.length; i++) {
-	assert(array[i] === i);
+  assert(array[i] === i);
 }
 
 // Checking behavior when unable to get length
@@ -26,11 +26,11 @@ var obj = { reverse : Array.prototype.reverse };
 Object.defineProperty(obj, 'length', { 'get' : function () {throw new ReferenceError ("foo"); } });
 
 try {
-	obj.reverse();
-	assert(false);
+  obj.reverse();
+  assert(false);
 } catch (e) {
-	assert(e.message === "foo");
-	assert(e instanceof ReferenceError);
+  assert(e.message === "foo");
+  assert(e instanceof ReferenceError);
 }
 
 // Checking behavior when unable to get element
@@ -38,9 +38,9 @@ var obj = { reverse : Array.prototype.reverse, length : 3 };
 Object.defineProperty(obj, '0', { 'get' : function () {throw new ReferenceError ("foo"); } });
 
 try {
-	obj.reverse();
-	assert(false);
+  obj.reverse();
+  assert(false);
 } catch (e) {
-	assert(e.message === "foo");
-	assert(e instanceof ReferenceError);
+  assert(e.message === "foo");
+  assert(e instanceof ReferenceError);
 }