update tests for new outputs

lib/spack/spack/test/cmd/env.py

@@ -295,7 +295,7 @@ def test_env_install_same_spec_twice(install_mockery, mock_fetch):
 
         # The second installation reports all packages already installed
         out = install("cmake-client")
-        assert "already installed" in out
+        assert "Executing phase" not in output
 
 
 def test_env_definition_symlink(install_mockery, mock_fetch, tmpdir):

lib/spack/spack/test/cmd/install.py

@@ -749,8 +749,7 @@ def test_install_overwrite_in_env(tmpdir, mock_fetch, install_mockery, mutable_m
         install("--add", "dependency-install")
         output = install("-y", "--overwrite", "dependency-install")
 
-    print(output)
-    assert "already installed" not in output
+    assert "Executing phase" in output
 
 
 @pytest.mark.regression("12002")