Fix broken unit tests

src/EditorFeatures/CSharpTest/CodeActions/ConvertLinq/ConvertForEachToLinqQueryTests.cs

@@ -1612,7 +1612,7 @@ class C
 
     IEnumerable<C> Test()
     {
-        return (new[] { 1, 2, 3 }).Select(x => x);
+        return new[] { 1, 2, 3 };
     }
 }
 ";
@@ -4126,11 +4126,7 @@ int M(IEnumerable<int> nums)
         /*21*/
         return /*22*/ /* 1 *//* 2 *//* 3 *//* 4 */// 5
 /*23*/
-(nums /* 12 */.Select(
-/* 6 *//* 7 *//* 14 */// 15
-/* 9 */x /* 10 */ => x/* 10 *//*19*///20
-/* 8 *//* 11 */// 13
-)).Count()/* 16 *//* 17 *///18
+(nums /* 12 */).Count()/* 16 *//* 17 *///18
 ; //24
     }
 }";