Adapt previous tests, add one-liner for non-anonymous classes

tests/_files/source_for_branched_exec_lines.php

@@ -600,7 +600,12 @@ final class MyFinalClass extends MyAbstractClass
         'foo' => 'bar',
     ];
     private string $var;
-    public function myMethod(): void
+    public function m1(): void {}   // +4
+    public function m2(): void {
+    }                               // +1
+    public function m3(): void
+    {}                              // +1
+    public function m4(): void
     {
-    }                                       // +4
+    }                               // +1
 }

tests/_files/source_for_branched_exec_lines_php81.php

@@ -37,7 +37,7 @@ public function neverReturn(): never;
 class NewInInit_NoInit
 {
     public function __construct(private DateTimeInterface $dateTime) {
-    }                                                                                   // +1
+    }                                                                                   // +3
     public function noinit(DateTimeInterface $dateTime) {
     }                                                                                   // +1
 }