wal2json: fix ENV["CI"] usage.

Part of #70493.

Formula/wal2json.rb

@@ -26,116 +26,4 @@ def install
     system "make", "install", "USE_PGXS=1", "DESTDIR=#{buildpath}/stage"
     lib.install Dir["stage/#{HOMEBREW_PREFIX}/lib/*"]
   end
-
-  test do
-    return if ENV["CI"]
-
-    system "initdb", testpath/"datadir"
-    mkdir testpath/"socket"
-    File.open(testpath/"datadir"/"postgresql.conf", "a") do |f|
-      f << "wal_level = logical\n"
-      f << "listen_addresses = ''\n"
-      f << "unix_socket_directories = '#{testpath}/socket'\n"
-      f << "dynamic_library_path = '$libdir:#{lib}/postgresql'\n"
-    end
-    pid = Process.fork { exec "postgres", "-D", testpath/"datadir" }
-    sleep 2
-    begin
-      system "createdb", "-h", testpath/"socket", "test"
-
-      input_sql = <<~EOS
-        CREATE TABLE table2_with_pk (a SERIAL, b VARCHAR(30), c TIMESTAMP NOT NULL, PRIMARY KEY(a, c));
-        CREATE TABLE table2_without_pk (a SERIAL, b NUMERIC(5,2), c TEXT);
-
-        SELECT 'init' FROM pg_create_logical_replication_slot('test_slot', 'wal2json');
-
-        BEGIN;
-        INSERT INTO table2_with_pk (b, c) VALUES('Backup and Restore', '2019-10-08 12:00:00');
-        INSERT INTO table2_with_pk (b, c) VALUES('Tuning', '2019-10-08 12:00:00');
-        INSERT INTO table2_with_pk (b, c) VALUES('Replication', '2019-10-08 12:00:00');
-        DELETE FROM table2_with_pk WHERE a < 3;
-
-        INSERT INTO table2_without_pk (b, c) VALUES(2.34, 'Tapir');
-        -- it is not added to stream because there isn't a pk or a replica identity
-        UPDATE table2_without_pk SET c = 'Anta' WHERE c = 'Tapir';
-        COMMIT;
-
-        SELECT data FROM pg_logical_slot_get_changes('test_slot', NULL, NULL, 'pretty-print', '1');
-        SELECT 'stop' FROM pg_drop_replication_slot('test_slot');
-      EOS
-
-      File.open(testpath/"input.sql", "w") do |f|
-        f.write(input_sql)
-      end
-
-      system "psql", "-h", testpath/"socket", "-f", testpath/"input.sql", "-o", testpath/"output.txt", "-Atq", "test"
-      actual_output = File.read(testpath/"output.txt")
-
-      expected_output = <<~EOS
-        init
-        {
-          "change": [
-            {
-              "kind": "insert",
-              "schema": "public",
-              "table": "table2_with_pk",
-              "columnnames": ["a", "b", "c"],
-              "columntypes": ["integer", "character varying(30)", "timestamp without time zone"],
-              "columnvalues": [1, "Backup and Restore", "2019-10-08 12:00:00"]
-            }
-            ,{
-              "kind": "insert",
-              "schema": "public",
-              "table": "table2_with_pk",
-              "columnnames": ["a", "b", "c"],
-              "columntypes": ["integer", "character varying(30)", "timestamp without time zone"],
-              "columnvalues": [2, "Tuning", "2019-10-08 12:00:00"]
-            }
-            ,{
-              "kind": "insert",
-              "schema": "public",
-              "table": "table2_with_pk",
-              "columnnames": ["a", "b", "c"],
-              "columntypes": ["integer", "character varying(30)", "timestamp without time zone"],
-              "columnvalues": [3, "Replication", "2019-10-08 12:00:00"]
-            }
-            ,{
-              "kind": "delete",
-              "schema": "public",
-              "table": "table2_with_pk",
-              "oldkeys": {
-                "keynames": ["a", "c"],
-                "keytypes": ["integer", "timestamp without time zone"],
-                "keyvalues": [1, "2019-10-08 12:00:00"]
-              }
-            }
-            ,{
-              "kind": "delete",
-              "schema": "public",
-              "table": "table2_with_pk",
-              "oldkeys": {
-                "keynames": ["a", "c"],
-                "keytypes": ["integer", "timestamp without time zone"],
-                "keyvalues": [2, "2019-10-08 12:00:00"]
-              }
-            }
-            ,{
-              "kind": "insert",
-              "schema": "public",
-              "table": "table2_without_pk",
-              "columnnames": ["a", "b", "c"],
-              "columntypes": ["integer", "numeric(5,2)", "text"],
-              "columnvalues": [1, 2.34, "Tapir"]
-            }
-          ]
-        }
-        stop
-      EOS
-
-      assert_equal(expected_output.gsub(/\s+/, ""), actual_output.gsub(/\s+/, ""))
-    ensure
-      Process.kill 9, pid
-      Process.wait pid
-    end
-  end
 end