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-unshift.js

@@ -53,11 +53,11 @@ var obj = { unshift : Array.prototype.unshift };
 Object.defineProperty(obj, 'length', { 'get' : function () {throw new ReferenceError ("foo"); } });
 
 try {
-	obj.unshift(1);
-	assert(false)
+  obj.unshift(1);
+  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
@@ -65,11 +65,11 @@ var obj = { unshift : Array.prototype.unshift };
 Object.defineProperty(obj, 'length', { 'set' : function () {throw new ReferenceError ("foo"); } });
 
 try {
-	obj.unshift(2);
-	assert(false)
+  obj.unshift(2);
+  assert(false)
 } catch (e) {
-	assert(e.message === "foo");
-	assert(e instanceof ReferenceError);
+  assert(e.message === "foo");
+  assert(e instanceof ReferenceError);
 }
 
 // Checking behavior when unable shift elements
@@ -77,22 +77,22 @@ var obj = { unshift : Array.prototype.unshift, length : 1 };
 Object.defineProperty(obj, '0', { 'get' : function () {throw new ReferenceError ("foo"); } });
 
 try {
-	obj.unshift(3);
-	assert(false);
+  obj.unshift(3);
+  assert(false);
 } catch (e) {
-	assert(e.message === "foo");
-	assert(e instanceof ReferenceError);
+  assert(e.message === "foo");
+  assert(e instanceof ReferenceError);
 }
 
 var obj = { unshift : Array.prototype.unshift, length : 1 };
 Object.defineProperty(obj, '0', { 'set' : function () {throw new ReferenceError ("foo"); } });
 
 try {
-	obj.unshift(4);
-	assert(false);
+  obj.unshift(4);
+  assert(false);
 } catch (e) {
-	assert(e.message === "foo");
-	assert(e instanceof ReferenceError);
+  assert(e.message === "foo");
+  assert(e instanceof ReferenceError);
 }
 
 // Checking behavior when a property is not defined
@@ -101,4 +101,4 @@ assert(obj.unshift("baz") === 4);
 assert(obj[0] === "baz");
 assert(obj[1] === "foo");
 assert(obj[2] === undefined);
-assert(obj[3] === "bar");
+assert(obj[3] === "bar");