Fix test failures after formatting Nix files

tests/by-name-failure/expected

@@ -6,12 +6,12 @@ error:
 
        … while evaluating attribute 'ByName'
 
-         at src/eval.nix:82:5:
+         at src/eval.nix:77:7:
 
-           81|     inherit name;
-           82|     value.ByName =
-             |     ^
-           83|       if ! pkgs ? ${name} then
+           76|       inherit name;
+           77|       value.ByName =
+             |       ^
+           78|         if !pkgs ? ${name} then
 
        (stack trace truncated; use '--show-trace' to show the full trace)
 

tests/multiple-failures/expected

@@ -6,9 +6,9 @@ pkgs/by-name/aa: This is a file, but it should be a directory.
 pkgs/by-name/ba/bar: This path is a file, but it should be a directory.
 pkgs/by-name/ba/baz: "package.nix" must be a file.
 pkgs/by-name/ba/foo: Incorrect directory location, should be pkgs/by-name/fo/foo instead.
-pkgs/by-name/ba/foo: File package.nix at line 2 contains the path expression "/bar" which cannot be resolved: No such file or directory (os error 2).
-pkgs/by-name/ba/foo: File package.nix at line 3 contains the path expression "../." which may point outside the directory of that package.
-pkgs/by-name/ba/foo: File package.nix at line 4 contains the nix search path expression "<nixpkgs>" which may point outside the directory of that package.
-pkgs/by-name/ba/foo: File package.nix at line 5 contains the path expression "./${"test"}", which is not yet supported and may point outside the directory of that package.
+pkgs/by-name/ba/foo: File package.nix at line 4 contains the path expression "/bar" which cannot be resolved: No such file or directory (os error 2).
+pkgs/by-name/ba/foo: File package.nix at line 5 contains the path expression "../." which may point outside the directory of that package.
+pkgs/by-name/ba/foo: File package.nix at line 6 contains the nix search path expression "<nixpkgs>" which may point outside the directory of that package.
+pkgs/by-name/ba/foo: File package.nix at line 7 contains the path expression "./${"test"}", which is not yet supported and may point outside the directory of that package.
 pkgs/by-name/fo/foo: Missing required "package.nix" file.
 This PR introduces the problems listed above. Please fix them before merging, otherwise the base branch would break.

tests/override-different-file/expected

@@ -2,7 +2,7 @@
 
     nonDerivation = callPackage ./../by-name/no/nonDerivation/package.nix { /* ... */ };
 
-  However, in this PR, the first `callPackage` argument is the wrong path. See the definition in pkgs/top-level/all-packages.nix:2:
+  However, in this PR, the first `callPackage` argument is the wrong path. See the definition in pkgs/top-level/all-packages.nix:1:
 
     nonDerivation = callPackage ./../../someDrv.nix { /* ... */ };
 

tests/override-empty-arg/expected

@@ -2,7 +2,7 @@
 
     nonDerivation = callPackage ./../by-name/no/nonDerivation/package.nix { /* ... */ };
 
-  However, in this PR, the second argument is empty. See the definition in pkgs/top-level/all-packages.nix:2:
+  However, in this PR, the second argument is empty. See the definition in pkgs/top-level/all-packages.nix:1:
 
     nonDerivation = self.callPackage ./../by-name/no/nonDerivation/package.nix { };
 

tests/override-no-call-package/expected

@@ -2,7 +2,7 @@
 
     nonDerivation = callPackage ./../by-name/no/nonDerivation/package.nix { /* ... */ };
 
-  However, in this PR, it isn't defined that way. See the definition in pkgs/top-level/all-packages.nix:2
+  However, in this PR, it isn't defined that way. See the definition in pkgs/top-level/all-packages.nix:1
 
     nonDerivation = self.someDrv;
 

tests/override-no-file/expected

@@ -2,7 +2,7 @@
 
     nonDerivation = callPackage ./../by-name/no/nonDerivation/package.nix { /* ... */ };
 
-  However, in this PR, the first `callPackage` argument is not a path. See the definition in pkgs/top-level/all-packages.nix:2:
+  However, in this PR, the first `callPackage` argument is not a path. See the definition in pkgs/top-level/all-packages.nix:1:
 
     nonDerivation = self.callPackage ({ someDrv }: someDrv) { };
 

tests/ref-absolute/expected

@@ -1,2 +1,2 @@
-pkgs/by-name/aa/aa: File package.nix at line 2 contains the path expression "/foo" which cannot be resolved: No such file or directory (os error 2).
+pkgs/by-name/aa/aa: File package.nix at line 1 contains the path expression "/foo" which cannot be resolved: No such file or directory (os error 2).
 This PR introduces the problems listed above. Please fix them before merging, otherwise the base branch would break.

tests/ref-escape/expected

@@ -1,2 +1,2 @@
-pkgs/by-name/aa/aa: File package.nix at line 2 contains the path expression "../." which may point outside the directory of that package.
+pkgs/by-name/aa/aa: File package.nix at line 1 contains the path expression "../." which may point outside the directory of that package.
 This PR introduces the problems listed above. Please fix them before merging, otherwise the base branch would break.

tests/ref-nix-path/expected

@@ -1,2 +1,2 @@
-pkgs/by-name/aa/aa: File package.nix at line 2 contains the nix search path expression "<nixpkgs>" which may point outside the directory of that package.
+pkgs/by-name/aa/aa: File package.nix at line 1 contains the nix search path expression "<nixpkgs>" which may point outside the directory of that package.
 This PR introduces the problems listed above. Please fix them before merging, otherwise the base branch would break.

tests/ref-path-subexpr/expected

@@ -1,2 +1,2 @@
-pkgs/by-name/aa/aa: File package.nix at line 2 contains the path expression "./${"test"}", which is not yet supported and may point outside the directory of that package.
+pkgs/by-name/aa/aa: File package.nix at line 1 contains the path expression "./${"test"}", which is not yet supported and may point outside the directory of that package.
 This PR introduces the problems listed above. Please fix them before merging, otherwise the base branch would break.