[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/CallNew.golden

+#
+# Autogenerated by generate-bytecode-expectations
+#
+
+---
+pool type: mixed
+execute: yes
+wrap: no
+test function name: f
+
+---
+snippet: "
+  function bar() { this.value = 0; }
+  function f() { return new bar(); }
+  f()
+"
+frame size: 1  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(StackCheck),
+  B(LdaGlobal), U8(0), U8(2),
+  B(Star), R(0),
+  B(New), R(0), R(0), U8(0),
+  B(Return),
+]
+constant pool: [
+  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+]
+handlers: [
+]
+
+---
+snippet: "
+  function bar(x) { this.value = 18; this.x = x;}
+  function f() { return new bar(3); }
+  f()
+"
+frame size: 2  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(StackCheck),
+  B(LdaGlobal), U8(0), U8(2),
+  B(Star), R(0),
+  B(LdaSmi8), U8(3),
+  B(Star), R(1),
+  B(Ldar), R(0),
+  B(New), R(0), R(1), U8(1),
+  B(Return),
+]
+constant pool: [
+  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+]
+handlers: [
+]
+
+---
+snippet: "
+  function bar(w, x, y, z) {
+    this.value = 18;
+    this.x = x;
+    this.y = y;
+    this.z = z;
+  }
+  function f() { return new bar(3, 4, 5); }
+  f()
+"
+frame size: 4  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(StackCheck),
+  B(LdaGlobal), U8(0), U8(2),
+  B(Star), R(0),
+  B(LdaSmi8), U8(3),
+  B(Star), R(1),
+  B(LdaSmi8), U8(4),
+  B(Star), R(2),
+  B(LdaSmi8), U8(5),
+  B(Star), R(3),
+  B(Ldar), R(0),
+  B(New), R(0), R(1), U8(3),
+  B(Return),
+]
+constant pool: [
+  InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+]
+handlers: [
+]
+