anchor.diff:      });
   
       await d.appDir({'foo': '1.0.0'}).create();
  -    await expectResolves(
  -        error: "Package myapp has no versions that match >0.0.0 derived from:\n"
  -            "- foo 1.0.0 depends on version >0.0.0");
  +    await expectResolves(error: equalsIgnoringWhitespace("""
  +      Because myapp depends on foo 1.0.0 which depends on myapp >0.0.0 from
  +        hosted, myapp >0.0.0 from hosted is required.
  +      So, because myapp is 0.0.0, version solving failed.
  +    """));
     });
   }
   
  
positive.code:               '- myapp depends on it with description '
                '{"path":"../foo","relative":true}');
      });
    });
  }
  
  void unsolvable() {
  
negative.code:     });
  
      await d.appDir({'angular': 'any', 'collection': 'any'}).create();
      await expectResolves(error: equalsIgnoringWhitespace("""
        Because all versions of angular depend on di ^0.0.32 which depends on
          analyzer ^0.13.0, all versions of angular require analyzer ^0.13.0.
        So, because no versions of analyzer match ^0.13.0 and myapp depends on
          angular any, version solving failed.
      """));
    });
  }
  
  