message: test(ngcc): give adjacent class identifier a distinct name
  To better check that the code is working, this commit gives a
  distinct name (`DecoratedWrappedClass_1`) to the "adjacent"
  class declaration in the tests.
  PR Close
diff: @@ -174,12 +174,13 @@ runInEachFileSystem(() => {
  ];
  return AliasedWrappedClass;
  })();
  + let usageOfWrappedClass = AliasedWrappedClass_1;
  let DecoratedWrappedClass = /** @class */ (() => {
  - let DecoratedWrappedClass = class DecoratedWrappedClass {}
  + let DecoratedWrappedClass_1 = class DecoratedWrappedClass {}
  // ... add decorations ...
  - return DecoratedWrappedClass;
  + return DecoratedWrappedClass_1;
  })();
  - let usageOfWrappedClass = AliasedWrappedClass_1;
  + let usageOfDecorated = DecoratedWrappedClass_1;
  `,
  };
  @@ -1970,7 +1971,7 @@ runInEachFileSystem(() => {
  !isNamedVariableDeclaration(classSymbol.adjacent.valueDeclaration)) {
  return fail('Expected a named variable declaration for the adjacent symbol');
  }
  - expect(classSymbol.adjacent.valueDeclaration.name.text).toBe('DecoratedWrappedClass');
  + expect(classSymbol.adjacent.valueDeclaration.name.text).toBe('DecoratedWrappedClass_1');
  });
  it('should return the class symbol for a decorated wrapped class expression (inner class expression)',
  @@ -2000,7 +2001,7 @@ runInEachFileSystem(() => {
  !isNamedVariableDeclaration(classSymbol.adjacent.valueDeclaration)) {
  return fail('Expected a named variable declaration for the adjacent symbol');
  }
  - expect(classSymbol.adjacent.valueDeclaration.name.text).toBe('DecoratedWrappedClass');
  + expect(classSymbol.adjacent.valueDeclaration.name.text).toBe('DecoratedWrappedClass_1');
  });
  it('should return the same class symbol (of the outer declaration) for decorated wrapped outer and inner declarations',
  