diff --git a/micromamba/tests/env-create-export.yaml b/micromamba/tests/env-create-export.yaml
index c4eeddf4dc..c137787843 100644
--- a/micromamba/tests/env-create-export.yaml
+++ b/micromamba/tests/env-create-export.yaml
@@ -1,4 +1,4 @@
 channels:
   - https://conda.anaconda.org/conda-forge
 dependencies:
-  - micromamba=0.24.0
+  - xtl=0.7.5
diff --git a/micromamba/tests/helpers.py b/micromamba/tests/helpers.py
index 0707f3c98c..5774d8ca3a 100644
--- a/micromamba/tests/helpers.py
+++ b/micromamba/tests/helpers.py
@@ -71,7 +71,7 @@ def get_umamba(cwd=os.getcwd()):
             umamba_bin = "micromamba"
         umamba = os.path.join(cwd, "build", "micromamba", umamba_bin)
     if not Path(umamba).exists():
-        print("MICROMAMBA NOT FOUND!")
+        raise RuntimeError("Micromamba not found! Set TEST_MAMBA_EXE env variable")
     return umamba
 
 
diff --git a/micromamba/tests/test_env.py b/micromamba/tests/test_env.py
index 3eaa2bb882..d80fd179f0 100644
--- a/micromamba/tests/test_env.py
+++ b/micromamba/tests/test_env.py
@@ -75,20 +75,18 @@ def test_env_export(export_env, explicit_flag, md5_flag, channel_subdir_flag):
     flags = filter(None, [explicit_flag, md5_flag, channel_subdir_flag])
     output = helpers.run_env("export", "-n", export_env, *flags)
     if explicit_flag:
-        assert "/micromamba-0.24.0-0." in output
+        assert "/xtl-0.7.5-0." in output
         if md5_flag != "--no-md5":
             assert re.search("#[a-f0-9]{32}$", output.replace("\r", ""))
     else:
         ret = yaml.safe_load(output)
         assert ret["name"] == export_env
         assert set(ret["channels"]) == {"conda-forge"}
-        assert "micromamba=0.24.0=0" in str(ret["dependencies"])
+        assert "xtl=0.7.5=0" in str(ret["dependencies"])
         if md5_flag == "--md5":
-            assert re.search(r"micromamba=0.24.0=0\[md5=[a-f0-9]{32}\]", str(ret["dependencies"]))
+            assert re.search(r"xtl=0.7.5=0\[md5=[a-f0-9]{32}\]", str(ret["dependencies"]))
         if channel_subdir_flag:
-            assert re.search(
-                r"conda-forge/[a-z0-9-]+::micromamba=0.24.0=0", str(ret["dependencies"])
-            )
+            assert re.search(r"conda-forge/[a-z0-9-]+::xtl=0.7.5=0", str(ret["dependencies"]))
 
 
 def test_create():
diff --git a/micromamba/tests/test_shell.py b/micromamba/tests/test_shell.py
index 1cd5ed54d1..318704f325 100644
--- a/micromamba/tests/test_shell.py
+++ b/micromamba/tests/test_shell.py
@@ -222,8 +222,9 @@ def test_init(tmp_home, tmp_root_prefix, shell_type, prefix_selector, multiple_t
 
 def test_dash(tmp_home, tmp_root_prefix):
     skip_if_shell_incompat("dash")
-    subprocess.check_call(["dash", "-c", "eval $(micromamba shell hook -s dash)"])
-    subprocess.check_call(["dash", "-c", "eval $(micromamba shell hook -s posix)"])
+    umamba = helpers.get_umamba()
+    subprocess.check_call(["dash", "-c", f"eval $({umamba} shell hook -s dash)"])
+    subprocess.check_call(["dash", "-c", f"eval $({umamba} shell hook -s posix)"])
 
 
 def test_implicitly_created_environment(tmp_home, tmp_root_prefix):