convert supported adapters to a variable

tox.ini

@@ -1,11 +1,11 @@
 [tox]
 skipsdist = True
 envlist = lint_all, testenv
-# this needs to be defined on a single line.  tox has problems with multiline lists
-# This list determined which adapters will be run by dbt centralized testing
-supported_adapters = postgres, snowflake, redshift, bigquery
+
 
 [testenv]
+setenv =
+    SUPPORTED_ADAPTERS = postgres,snowflake,redshift,bigquery
 passenv =
     # postgres env vars
     POSTGRES_HOST
@@ -34,46 +34,23 @@ passenv =
     DBT_ENV_SECRET_BIGQUERY_KEYFILE_JSON
     BIGQUERY_SCHEMA
 
-# This is required to ensure that the correct adapters are tested
-[testenv:list_supported_adapters]
-allowlist_externals = echo
-commands = echo {[tox]supported_adapters}
-
-# Uses pytest to run tests, very basic and doesn't require dbt
-[testenv:dbt_integration_pytest]
-changedir = {toxinidir}
-allowlist_externals = pytest
-deps = pytest
-skip_install = true
-commands =
-      pytest {posargs} tests/functional
-
 # Snowflake integration tests for centralized dbt testing
 # run dbt commands directly, assumes dbt is already installed in environment
-# Also adds in pytest testing.  These are very basic and don't require dbt.
-# pytest runs at the root of the repo, so we need to cd out of the integration_tests directory
 [testenv:dbt_integration_snowflake]
 changedir = integration_tests
-allowlist_externals = 
-    dbt
-    bash
-    {[testenv:dbt_integration_pytest]allowlist_externals}
+allowlist_externals = dbt
 skip_install = true
-deps = {[testenv:dbt_integration_pytest]deps}
 commands =
     dbt --version
     dbt debug --target snowflake
     dbt deps --target snowflake
     dbt build --target snowflake --full-refresh
-    bash -c "cd {toxinidir} && {[testenv:dbt_integration_pytest]commands}"
-
 
 # Postgres integration tests for centralized dbt testing
 # run dbt commands directly, assumes dbt is already installed in environment
 [testenv:dbt_integration_postgres]
 changedir = integration_tests
-allowlist_externals = 
-    dbt
+allowlist_externals = dbt
 skip_install = true
 commands =
     dbt --version
@@ -84,8 +61,7 @@ commands =
 # BigQuery integration tests for centralized dbt testing
 [testenv:dbt_integration_bigquery]
 changedir = integration_tests
-allowlist_externals = 
-    dbt
+allowlist_externals = dbt
 skip_install = true
 commands =
     dbt --version
@@ -96,8 +72,7 @@ commands =
 # redshift integration tests for centralized dbt testing
 [testenv:dbt_integration_redshift]
 changedir = integration_tests
-allowlist_externals = 
-    dbt
+allowlist_externals = dbt
 skip_install = true
 commands =
     dbt --version