diff --git a/tests/distccd/configuration.nix b/tests/distccd/configuration.nix
index a8fb343..b0d90b5 100644
--- a/tests/distccd/configuration.nix
+++ b/tests/distccd/configuration.nix
@@ -1,9 +1,11 @@
 { ... }:
+
 {
   services.distccd = {
     enable = true;
     jobTimeout = 900;
     maxJobs = 12;
+    logLevel = "warning";
     nice = -10;
   };
 
diff --git a/tests/distccd/test-script.py b/tests/distccd/test-script.py
index 3a9da08..3678155 100644
--- a/tests/distccd/test-script.py
+++ b/tests/distccd/test-script.py
@@ -82,8 +82,10 @@ def do_apply():
     """.strip())
 
 machine.wait_for_unit("default.target")
-assert "lix" in machine.succeed("nix --version").lower()
-machine.log("INIT")
+machine.wait_for_unit("install-dynix.service")
+
+dynix_out = machine.succeed("dynix --version")
+assert "dynix" in dynix_out, f"dynix not in {dynix_out=}"
 
 # Config should have our initial values.
 args = get_cli_args()
@@ -99,17 +101,13 @@ args = get_cli_args()
 assert args.jobs == 12, f'{args.jobs=} != 12'
 assert args.job_lifetime == 900, f'{args.job_lifetime} != 900'
 assert args.log_level == 'warning', f'{args.log_level=} != warning'
-#machine.log(f"config.toml after first rebuild: {indent(pformat(args))}")
-#assert int(args['workers']) == 4, f"{args['workers']=} != 4"
-#assert int(args['max_connection_rate']) == 256, f"{args['max_connection_rate']=} != 256"
 
 new_jobs = 4
 dynix_append("services.distccd.maxJobs", new_jobs)
 do_apply()
 
-args = get_cli_args()
-
 # Only jobs should have changed. The others should still be default.
+args = get_cli_args()
 assert args.jobs == new_jobs, f'{args.jobs=} != {new_jobs=}'
 assert args.job_lifetime == 900, f'{args.job_lifetime} != 900'
 assert args.log_level == 'warning', f'{args.log_level=} != warning'
@@ -119,6 +117,13 @@ dynix_append("services.distccd.logLevel", f'"{new_log_level}"')
 do_apply()
 
 args = get_cli_args()
-#assert args.jobs == new_jobs, f'{args.jobs=} != {new_jobs=}'
-#assert args.job_lifetime == 900, f'{args.job_lifetime} != 900'
+assert args.jobs == new_jobs, f'{args.jobs=} != {new_jobs=}'
+assert args.job_lifetime == 900, f'{args.job_lifetime} != 900'
 assert args.log_level == new_log_level, f'{args.log_level=} != {new_log_level=}'
+
+# And this should set everything back.
+machine.succeed("env PAGER= nixos-rebuild switch --log-format raw-with-logs --fallback")
+args = get_cli_args()
+assert args.jobs == 12, f'{args.jobs=} != 12'
+assert args.job_lifetime == 900, f'{args.job_lifetime} != 900'
+assert args.log_level == 'warning', f'{args.log_level=} != warning'
diff --git a/tests/gotosocial/test-script.py b/tests/gotosocial/test-script.py
index c6b087b..51a303f 100644
--- a/tests/gotosocial/test-script.py
+++ b/tests/gotosocial/test-script.py
@@ -70,7 +70,6 @@ def do_apply():
 
 
 machine.wait_for_unit("default.target")
-assert "lix" in machine.succeed("nix --version").lower()
 machine.wait_for_unit("install-dynix.service")
 
 dynix_out = machine.succeed("dynix --version")
@@ -89,6 +88,12 @@ except StopIteration:
     raise AssertionError(f"no 'application-name:' found in config file: {textwrap.indent(config_text, "  ")}")
 assert "gotosocial-for-machine" in application_name, f"'gotosocial-for-machine' should be in {application_name=}"
 
+try:
+    host = next(line for line in lines if line.startswith("host:"))
+except StopIteration:
+    raise AssertionError(f"no 'host:' found in config file: {textwrap.indent(config_text, "  ")}")
+assert "gotosocial-machine" in host, f"'gotosocial-machine' should be in {host=}"
+
 new_app_name = "yay!"
 dynix_append("services.gotosocial.settings.application-name", f'"{new_app_name}"')
 do_apply()
diff --git a/tests/harmonia/configuration.nix b/tests/harmonia/configuration.nix
index 37494cb..d5cc833 100644
--- a/tests/harmonia/configuration.nix
+++ b/tests/harmonia/configuration.nix
@@ -1,20 +1,6 @@
-{ lib, modulesPath, ... }:
-let
-  moduleList = import "${modulesPath}/module-list.nix";
+{ ... }:
 
-  dynixFromSearchPath = let
-    res = builtins.tryEval <dynix>;
-  in lib.optional res.success res.value;
-in
 {
-  imports = [
-    #"${modulesPath}/testing/test-instrumentation.nix"
-    #./hardware-configuration.nix
-  ] ++ lib.concatLists [
-    #dynixFromSearchPath
-    moduleList
-  ];
-
   dynamicism.for.harmonia.enable = true;
   services.harmonia = {
     enable = true;
diff --git a/tests/harmonia/test-script.py b/tests/harmonia/test-script.py
index be60fe3..bdac573 100644
--- a/tests/harmonia/test-script.py
+++ b/tests/harmonia/test-script.py
@@ -1,6 +1,5 @@
 import functools
 from pathlib import Path
-from pprint import pformat
 import shlex
 import textwrap
 import tomllib
@@ -72,12 +71,13 @@ def do_apply():
     """.strip())
 
 machine.wait_for_unit("default.target")
-assert "lix" in machine.succeed("nix --version").lower()
-machine.log("INIT")
+machine.wait_for_unit("install-dynix.service")
+
+dynix_out = machine.succeed("dynix --version")
+assert "dynix" in dynix_out, f"dynix not in {dynix_out=}"
 
 # Config should have our initial values.
 config_toml = get_config_file()
-machine.log(f"config.toml BEFORE first rebuild (initial): {indent(pformat(config_toml))}")
 assert int(config_toml['workers']) == 4, f"{config_toml['workers']=} != 4"
 assert int(config_toml['max_connection_rate']) == 256, f"{config_toml['max_connection_rate']=} != 256"
 
@@ -86,7 +86,6 @@ with machine.nested("must succeed: initial nixos-rebuild switch"):
 
 # Config should not have changed.
 config_toml = get_config_file()
-machine.log(f"config.toml after first rebuild: {indent(pformat(config_toml))}")
 assert int(config_toml['workers']) == 4, f"{config_toml['workers']=} != 4"
 assert int(config_toml['max_connection_rate']) == 256, f"{config_toml['max_connection_rate']=} != 256"
 
@@ -96,7 +95,6 @@ do_apply()
 
 # Workers, but not max connection rate, should have changed.
 config_toml = get_config_file()
-machine.log(f"config.toml after DYNAMIC ACTIVATION: {indent(pformat(config_toml))}")
 assert int(config_toml['workers']) == new_workers, f"{config_toml['workers']=} != {new_workers}"
 assert int(config_toml['max_connection_rate']) == 256, f"{config_toml['max_connection_rate']=} != 256"
 
@@ -104,16 +102,14 @@ new_max_connection_rate = 100
 dynix_append("services.harmonia.settings.max_connection_rate", new_max_connection_rate)
 do_apply()
 
-# Max connection rate should have changed, but workers should have reverted.
+# Max connection rate should have changed, and workers should be the same as before.
 config_toml = get_config_file()
-machine.log(f"config_toml after SECOND dynamic activation: {indent(pformat(config_toml))}")
 assert int(config_toml['max_connection_rate']) == new_max_connection_rate, f"{config_toml['max_connection_rate']=} != {new_max_connection_rate}"
+assert int(config_toml['workers']) == new_workers, f"{config_toml['workers']=} != {new_workers}"
 
 # And this should set everything back.
 machine.succeed("env PAGER= nixos-rebuild switch --log-format raw-with-logs --fallback")
-machine.systemctl("restart harmonia.service")
 machine.wait_for_unit("harmonia.service")
 config_toml = get_config_file()
-machine.log(f"config_toml after NORMAL activation: {indent(pformat(config_toml))}")
 assert int(config_toml['max_connection_rate']) == 256, f'{config_toml["max_connection_rate"]=} != 256'
 assert int(config_toml['workers']) == 4, f'{config_toml["workers"]=} != 4'