Append newline to EOF for .txt test data files

Reverts and fixes 102f0d3

compiler/testData/diagnostics/tests/classObjects/ClassObjectCannotAccessClassFields.txt

@@ -14,4 +14,4 @@ internal final class A {
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
-}
+}

compiler/testData/diagnostics/tests/classObjects/ClassObjectVisibility.txt

@@ -67,4 +67,4 @@ package foo {
             public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         }
     }
-}
+}

compiler/testData/diagnostics/tests/classObjects/ClassObjects.txt

@@ -43,4 +43,4 @@ package Jet86 {
             public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         }
     }
-}
+}

compiler/testData/diagnostics/tests/classObjects/InnerClassClassObject.txt

@@ -75,4 +75,4 @@ internal final class C {
             public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         }
     }
-}
+}

compiler/testData/diagnostics/tests/classObjects/classObjectInLocalClass.txt

@@ -1,3 +1,3 @@
 package
 
-internal fun test(): kotlin.Unit
+internal fun test(): kotlin.Unit

compiler/testData/diagnostics/tests/classObjects/importClassInClassObject.txt

@@ -23,4 +23,4 @@ package f {
             }
         }
     }
-}
+}

compiler/testData/diagnostics/tests/classObjects/invisibleClassObjects.txt

@@ -66,4 +66,4 @@ package a {
 package b {
     internal fun f(/*0*/ unused: kotlin.Any): kotlin.Unit
     internal fun test(): kotlin.Unit
-}
+}

compiler/testData/diagnostics/tests/classObjects/kt3866.txt

@@ -36,4 +36,4 @@ internal open class Y {
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }
-}
+}

compiler/testData/diagnostics/tests/classObjects/nestedClassInPrivateClassObject.txt

@@ -37,4 +37,4 @@ internal final class A {
             }
         }
     }
-}
+}