fix: use 'was not found' wording to match convention

Signed-off-by: Nishchay Mahor <nishchaymahor@gmail.com>

Author: NishchayMahor

sqlmesh/core/context.py

@@ -1857,7 +1857,7 @@ def invalidate_environment(self, name: str, sync: bool = False) -> None:
         """
         name = Environment.sanitize_name(name)
         if self.state_sync.get_environment(name) is None:
-            raise SQLMeshError(f"Environment '{name}' does not exist.")
+            raise SQLMeshError(f"Environment '{name}' was not found.")
         self.state_sync.invalidate_environment(name)
         if sync:
             self._cleanup_environments(name=name)

tests/core/test_context.py

@@ -1619,7 +1619,7 @@ def test_invalidate_environment_nonexistent_raises(sushi_context, mocker: Mocker
     ).return_value
     state_sync_mock.get_environment.return_value = None
 
-    with pytest.raises(SQLMeshError, match="Environment 'doesnotexist' does not exist"):
+    with pytest.raises(SQLMeshError, match="Environment 'doesnotexist' was not found"):
         sushi_context.invalidate_environment("doesnotexist")
 
     state_sync_mock.invalidate_environment.assert_not_called()