diff --git a/pkgs/build-support/install-shell-files/default.nix b/pkgs/build-support/install-shell-files/default.nix
index 00f3caa7f721..1b7351847258 100644
--- a/pkgs/build-support/install-shell-files/default.nix
+++ b/pkgs/build-support/install-shell-files/default.nix
@@ -1,4 +1,4 @@
-{ makeSetupHook, tests }:
+{ callPackage, makeSetupHook }:
 
 # See the header comment in ./setup-hook.sh for example usage.
 let
@@ -7,6 +7,6 @@ in
 
 setupHook.overrideAttrs (oldAttrs: {
   passthru = (oldAttrs.passthru or {}) // {
-    tests = tests.install-shell-files;
+    tests = callPackage ./tests { };
   };
 })
diff --git a/pkgs/build-support/install-shell-files/tests/default.nix b/pkgs/build-support/install-shell-files/tests/default.nix
new file mode 100644
index 000000000000..aef5acc1de6b
--- /dev/null
+++ b/pkgs/build-support/install-shell-files/tests/default.nix
@@ -0,0 +1,125 @@
+{ lib, runCommandLocal, recurseIntoAttrs, installShellFiles }:
+
+let
+  runTest = name: env: buildCommand:
+    runCommandLocal "install-shell-files--${name}" ({
+      nativeBuildInputs = [ installShellFiles ];
+      meta.platforms = lib.platforms.all;
+    } // env) buildCommand;
+in
+
+recurseIntoAttrs {
+  # installManPage
+
+  install-manpage = runTest "install-manpage" {} ''
+    mkdir -p doc
+    echo foo > doc/foo.1
+    echo bar > doc/bar.2.gz
+    echo baz > doc/baz.3
+
+    installManPage doc/*
+
+    cmp doc/foo.1 $out/share/man/man1/foo.1
+    cmp doc/bar.2.gz $out/share/man/man2/bar.2.gz
+    cmp doc/baz.3 $out/share/man/man3/baz.3
+  '';
+  install-manpage-outputs = runTest "install-manpage-outputs" {
+    outputs = [ "out" "man" "devman" ];
+  } ''
+    mkdir -p doc
+    echo foo > doc/foo.1
+    echo bar > doc/bar.3
+
+    installManPage doc/*
+
+    # assert they didn't go into $out
+    [[ ! -f $out/share/man/man1/foo.1 && ! -f $out/share/man/man3/bar.3 ]]
+
+    # foo.1 alone went into man
+    cmp doc/foo.1 ''${!outputMan:?}/share/man/man1/foo.1
+    [[ ! -f ''${!outputMan:?}/share/man/man3/bar.3 ]]
+
+    # bar.3 alone went into devman
+    cmp doc/bar.3 ''${!outputDevman:?}/share/man/man3/bar.3
+    [[ ! -f ''${!outputDevman:?}/share/man/man1/foo.1 ]]
+
+    touch $out
+  '';
+
+  # installShellCompletion
+
+  install-completion = runTest "install-completion" {} ''
+    echo foo > foo
+    echo bar > bar
+    echo baz > baz
+    echo qux > qux.zsh
+    echo quux > quux
+
+    installShellCompletion --bash foo bar --zsh baz qux.zsh --fish quux
+
+    cmp foo $out/share/bash-completion/completions/foo
+    cmp bar $out/share/bash-completion/completions/bar
+    cmp baz $out/share/zsh/site-functions/_baz
+    cmp qux.zsh $out/share/zsh/site-functions/_qux
+    cmp quux $out/share/fish/vendor_completions.d/quux
+  '';
+  install-completion-output = runTest "install-completion-output" {
+    outputs = [ "out" "bin" ];
+  } ''
+    echo foo > foo
+
+    installShellCompletion --bash foo
+
+    # assert it didn't go into $out
+    [[ ! -f $out/share/bash-completion/completions/foo ]]
+
+    cmp foo ''${!outputBin:?}/share/bash-completion/completions/foo
+
+    touch $out
+  '';
+  install-completion-name = runTest "install-completion-name" {} ''
+    echo foo > foo
+    echo bar > bar
+    echo baz > baz
+
+    installShellCompletion --bash --name foobar.bash foo --zsh --name _foobar bar --fish baz
+
+    cmp foo $out/share/bash-completion/completions/foobar.bash
+    cmp bar $out/share/zsh/site-functions/_foobar
+    cmp baz $out/share/fish/vendor_completions.d/baz
+  '';
+  install-completion-inference = runTest "install-completion-inference" {} ''
+    echo foo > foo.bash
+    echo bar > bar.zsh
+    echo baz > baz.fish
+
+    installShellCompletion foo.bash bar.zsh baz.fish
+
+    cmp foo.bash $out/share/bash-completion/completions/foo.bash
+    cmp bar.zsh $out/share/zsh/site-functions/_bar
+    cmp baz.fish $out/share/fish/vendor_completions.d/baz.fish
+  '';
+  install-completion-cmd = runTest "install-completion-cmd" {} ''
+    echo foo > foo.bash
+    echo bar > bar.zsh
+    echo baz > baz.fish
+    echo qux > qux.fish
+
+    installShellCompletion --cmd foobar --bash foo.bash --zsh bar.zsh --fish baz.fish --name qux qux.fish
+
+    cmp foo.bash $out/share/bash-completion/completions/foobar.bash
+    cmp bar.zsh $out/share/zsh/site-functions/_foobar
+    cmp baz.fish $out/share/fish/vendor_completions.d/foobar.fish
+    cmp qux.fish $out/share/fish/vendor_completions.d/qux
+  '';
+  install-completion-fifo = runTest "install-completion-fifo" {} ''
+    installShellCompletion \
+      --bash --name foo.bash <(echo foo) \
+      --zsh --name _foo <(echo bar) \
+      --fish --name foo.fish <(echo baz)
+
+    [[ $(<$out/share/bash-completion/completions/foo.bash) == foo ]] || { echo "foo.bash comparison failed"; exit 1; }
+    [[ $(<$out/share/zsh/site-functions/_foo) == bar ]] || { echo "_foo comparison failed"; exit 1; }
+    [[ $(<$out/share/fish/vendor_completions.d/foo.fish) == baz ]] || { echo "foo.fish comparison failed"; exit 1; }
+  '';
+}
diff --git a/pkgs/test/install-shell-files/default.nix b/pkgs/test/install-shell-files/default.nix
index aef5acc1de6b..21894698fe1b 100644
--- a/pkgs/test/install-shell-files/default.nix
+++ b/pkgs/test/install-shell-files/default.nix
@@ -1,125 +1,3 @@
-{ lib, runCommandLocal, recurseIntoAttrs, installShellFiles }:
+{ installShellFiles }:
 
-let
-  runTest = name: env: buildCommand:
-    runCommandLocal "install-shell-files--${name}" ({
-      nativeBuildInputs = [ installShellFiles ];
-      meta.platforms = lib.platforms.all;
-    } // env) buildCommand;
-in
-
-recurseIntoAttrs {
-  # installManPage
-
-  install-manpage = runTest "install-manpage" {} ''
-    mkdir -p doc
-    echo foo > doc/foo.1
-    echo bar > doc/bar.2.gz
-    echo baz > doc/baz.3
-
-    installManPage doc/*
-
-    cmp doc/foo.1 $out/share/man/man1/foo.1
-    cmp doc/bar.2.gz $out/share/man/man2/bar.2.gz
-    cmp doc/baz.3 $out/share/man/man3/baz.3
-  '';
-  install-manpage-outputs = runTest "install-manpage-outputs" {
-    outputs = [ "out" "man" "devman" ];
-  } ''
-    mkdir -p doc
-    echo foo > doc/foo.1
-    echo bar > doc/bar.3
-
-    installManPage doc/*
-
-    # assert they didn't go into $out
-    [[ ! -f $out/share/man/man1/foo.1 && ! -f $out/share/man/man3/bar.3 ]]
-
-    # foo.1 alone went into man
-    cmp doc/foo.1 ''${!outputMan:?}/share/man/man1/foo.1
-    [[ ! -f ''${!outputMan:?}/share/man/man3/bar.3 ]]
-
-    # bar.3 alone went into devman
-    cmp doc/bar.3 ''${!outputDevman:?}/share/man/man3/bar.3
-    [[ ! -f ''${!outputDevman:?}/share/man/man1/foo.1 ]]
-
-    touch $out
-  '';
-
-  # installShellCompletion
-
-  install-completion = runTest "install-completion" {} ''
-    echo foo > foo
-    echo bar > bar
-    echo baz > baz
-    echo qux > qux.zsh
-    echo quux > quux
-
-    installShellCompletion --bash foo bar --zsh baz qux.zsh --fish quux
-
-    cmp foo $out/share/bash-completion/completions/foo
-    cmp bar $out/share/bash-completion/completions/bar
-    cmp baz $out/share/zsh/site-functions/_baz
-    cmp qux.zsh $out/share/zsh/site-functions/_qux
-    cmp quux $out/share/fish/vendor_completions.d/quux
-  '';
-  install-completion-output = runTest "install-completion-output" {
-    outputs = [ "out" "bin" ];
-  } ''
-    echo foo > foo
-
-    installShellCompletion --bash foo
-
-    # assert it didn't go into $out
-    [[ ! -f $out/share/bash-completion/completions/foo ]]
-
-    cmp foo ''${!outputBin:?}/share/bash-completion/completions/foo
-
-    touch $out
-  '';
-  install-completion-name = runTest "install-completion-name" {} ''
-    echo foo > foo
-    echo bar > bar
-    echo baz > baz
-
-    installShellCompletion --bash --name foobar.bash foo --zsh --name _foobar bar --fish baz
-
-    cmp foo $out/share/bash-completion/completions/foobar.bash
-    cmp bar $out/share/zsh/site-functions/_foobar
-    cmp baz $out/share/fish/vendor_completions.d/baz
-  '';
-  install-completion-inference = runTest "install-completion-inference" {} ''
-    echo foo > foo.bash
-    echo bar > bar.zsh
-    echo baz > baz.fish
-
-    installShellCompletion foo.bash bar.zsh baz.fish
-
-    cmp foo.bash $out/share/bash-completion/completions/foo.bash
-    cmp bar.zsh $out/share/zsh/site-functions/_bar
-    cmp baz.fish $out/share/fish/vendor_completions.d/baz.fish
-  '';
-  install-completion-cmd = runTest "install-completion-cmd" {} ''
-    echo foo > foo.bash
-    echo bar > bar.zsh
-    echo baz > baz.fish
-    echo qux > qux.fish
-
-    installShellCompletion --cmd foobar --bash foo.bash --zsh bar.zsh --fish baz.fish --name qux qux.fish
-
-    cmp foo.bash $out/share/bash-completion/completions/foobar.bash
-    cmp bar.zsh $out/share/zsh/site-functions/_foobar
-    cmp baz.fish $out/share/fish/vendor_completions.d/foobar.fish
-    cmp qux.fish $out/share/fish/vendor_completions.d/qux
-  '';
-  install-completion-fifo = runTest "install-completion-fifo" {} ''
-    installShellCompletion \
-      --bash --name foo.bash <(echo foo) \
-      --zsh --name _foo <(echo bar) \
-      --fish --name foo.fish <(echo baz)
-
-    [[ $(<$out/share/bash-completion/completions/foo.bash) == foo ]] || { echo "foo.bash comparison failed"; exit 1; }
-    [[ $(<$out/share/zsh/site-functions/_foo) == bar ]] || { echo "_foo comparison failed"; exit 1; }
-    [[ $(<$out/share/fish/vendor_completions.d/foo.fish) == baz ]] || { echo "foo.fish comparison failed"; exit 1; }
-  '';
-}
+installShellFiles.tests