restrict dev ASDF standard tests for older version in compatibility t…

…ests

compatibility_tests/test_file_compatibility.py

@@ -36,6 +36,11 @@
 GENERATE_SCRIPT_PATH = Path(__file__).parent / "generate_file.py"
 ASSERT_SCRIPT_PATH = Path(__file__).parent / "assert_file_correct.py"
 
+# Starting at this version ndarray tag version 1.1.0 is supported
+# this is required for asdf standard 1.6.0 or later
+NDARRAY_1_1_0_ASDF_VERSION = Version("2.14.0")
+NDARRAY_1_1_0_STANDARD_VERSION = AsdfVersion("1.6.0")
+
 
 @contextmanager
 def internet_temporarily_enabled(verbose=False):
@@ -185,6 +190,12 @@ def test_file_compatibility(asdf_version, env_path, tmp_path):
     assert len(standard_versions) > 0
 
     for standard_version in sorted(standard_versions):
+        # older versions of asdf reported support for 1.6.0 (the development
+        # version of the standard) yet did not support the tags in that
+        # version.
+        if standard_version >= NDARRAY_1_1_0_STANDARD_VERSION:
+            if asdf_version < NDARRAY_1_1_0_ASDF_VERSION:
+                continue
         # Confirm that a file generated by the current version of the code
         # can be read by the older version of the library.
         if asdf_version >= MIN_VERSION_NEW_FILES: