Big change in quickfix tests: no stupid test data format with "before" and "after" file prefixes

idea/testData/quickfix/when/twoElseBranchesInWhen.kt.after

@@ -0,0 +1,16 @@
+// "Move else branch to the end" "false"
+// ERROR: 'else' entry must be the last one in a when-expression
+// ERROR: 'else' entry must be the last one in a when-expression
+// ERROR: Unreachable code
+// ERROR: Unreachable code
+package foo
+
+fun foo() {
+   var i = 2
+   when (i) {
+       1, 2 -> { /* some code */ }
+       el<caret>se -> { /* first else branch */ }
+       else -> { /* second else branch */ }
+       3 -> { /* some other code */ }
+   }
+}