Add coverage to GH actions and rework part of them (#1987)

test_runner/README.md

@@ -45,7 +45,7 @@ If you want to run all tests that have the string "bench" in their names:
 
 Useful environment variables:
 
-`ZENITH_BIN`: The directory where zenith binaries can be found.
+`NEON_BIN`: The directory where neon binaries can be found.
 `POSTGRES_DISTRIB_DIR`: The directory where postgres distribution can be found.
 `TEST_OUTPUT`: Set the directory where test state and test output files
 should go.

test_runner/batch_others/test_remote_storage.py

@@ -1,5 +1,5 @@
 # It's possible to run any regular test with the local fs remote storage via
-# env ZENITH_PAGESERVER_OVERRIDES="remote_storage={local_path='/tmp/zenith_zzz/'}" poetry ......
+# env ZENITH_PAGESERVER_OVERRIDES="remote_storage={local_path='/tmp/neon_zzz/'}" poetry ......
 
 import shutil, os
 from contextlib import closing

test_runner/fixtures/neon_fixtures.py

@@ -50,7 +50,7 @@ A fixture is created with the decorator @pytest.fixture decorator.
 See docs: https://docs.pytest.org/en/6.2.x/fixture.html
 
 There are several environment variables that can control the running of tests:
-ZENITH_BIN, POSTGRES_DISTRIB_DIR, etc. See README.md for more information.
+NEON_BIN, POSTGRES_DISTRIB_DIR, etc. See README.md for more information.
 
 There's no need to import this file to use it. It should be declared as a plugin
 inside conftest.py, and that makes it available to all tests.
@@ -151,7 +151,7 @@ def pytest_configure(config):
         return
     # Find the neon binaries.
     global neon_binpath
-    env_neon_bin = os.environ.get('ZENITH_BIN')
+    env_neon_bin = os.environ.get('NEON_BIN')
     if env_neon_bin:
         neon_binpath = env_neon_bin
     else: