Fix ansible-test coverage of ansible-connection.

changelogs/fragments/ansible-test-coverage-ansible-connection.yml

@@ -0,0 +1,2 @@
+bugfixes:
+    - ansible-test once again properly collects code coverage for ``ansible-connection``

test/lib/ansible_test/_internal/ansible_util.py

@@ -27,6 +27,7 @@ from .util_common import (
 )
 
 from .config import (
+    IntegrationConfig,
     PosixIntegrationConfig,
     EnvironmentConfig,
     CommonConfig,
@@ -75,6 +76,14 @@ def ansible_environment(args, color=True, ansible_config=None):
         PATH=path,
     )
 
+    if isinstance(args, IntegrationConfig) and args.coverage:
+        # standard path injection is not effective for ansible-connection, instead the location must be configured
+        # ansible-connection only requires the injector for code coverage
+        # the correct python interpreter is already selected using the sys.executable used to invoke ansible
+        ansible.update(dict(
+            ANSIBLE_CONNECTION_PATH=os.path.join(ANSIBLE_TEST_DATA_ROOT, 'injector', 'ansible-connection'),
+        ))
+
     if isinstance(args, PosixIntegrationConfig):
         ansible.update(dict(
             ANSIBLE_PYTHON_INTERPRETER='/set/ansible_python_interpreter/in/inventory',  # force tests to set ansible_python_interpreter in inventory