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-shift.js

@@ -34,7 +34,7 @@ assert(array.shift() === undefined);
 assert(array.length === 0);
 
 var referenceErrorThrower = function () {
-	throw new ReferenceError ("foo");
+  throw new ReferenceError ("foo");
 }
 
 // Checking behavior when unable to get length
@@ -42,11 +42,11 @@ var obj = { shift : Array.prototype.shift };
 Object.defineProperty(obj, 'length', { 'get' : referenceErrorThrower });
 
 try {
-	obj.shift();
-	assert(false);
+  obj.shift();
+  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 set length
@@ -54,11 +54,11 @@ var obj = { shift : Array.prototype.shift };
 Object.defineProperty(obj, 'length', { 'set' : referenceErrorThrower });
 
 try {
-	obj.shift();
-	assert(false);
+  obj.shift();
+  assert(false);
 } catch (e) {
-	assert(e.message === "foo");
-	assert(e instanceof ReferenceError);
+  assert(e.message === "foo");
+  assert(e instanceof ReferenceError);
 }
 
 // Checking behavior when no length property defined
@@ -72,9 +72,9 @@ var obj = { shift : Array.prototype.shift, length : 1 };
 Object.defineProperty(obj, '0', { 'get' : referenceErrorThrower });
 
 try {
-	obj.shift();
-	assert(false);
+  obj.shift();
+  assert(false);
 } catch (e) {
-	assert(e.message === "foo");
-	assert(e instanceof ReferenceError);
-}
+  assert(e.message === "foo");
+  assert(e instanceof ReferenceError);
+}