Fix test cases and markdown link errors

Signed-off-by: Anja Strunk <[email protected]>

README.md

@@ -296,4 +296,3 @@ pip-compile --upgrade test-requirements.in
 Whenever the concrete `requirements.txt` file change you also shouldn't forget
 to re-run the
 `pip install -r ...` steps again.
-

generator/common/gx_schema.py

@@ -11,21 +11,43 @@
 from dataclasses import dataclass
 from typing import Any, ClassVar, Dict, List, Optional, Union
 
-from linkml_runtime.linkml_model.meta import (EnumDefinition, PermissibleValue,
-                                              PvFormulaOptions)
-from linkml_runtime.linkml_model.types import (Boolean, Date, Datetime, Float,
-                                               Integer, String, Uri)
+from jsonasobj2 import JsonObj, as_dict
+from linkml_runtime.linkml_model.meta import (
+    EnumDefinition,
+    PermissibleValue,
+    PvFormulaOptions,
+)
+from linkml_runtime.linkml_model.types import (
+    Boolean,
+    Date,
+    Datetime,
+    Float,
+    Integer,
+    String,
+    Uri,
+)
 from linkml_runtime.utils.curienamespace import CurieNamespace
-from linkml_runtime.utils.dataclass_extensions_376 import \
-    dataclasses_init_fn_with_kwargs
+from linkml_runtime.utils.dataclass_extensions_376 import (
+    dataclasses_init_fn_with_kwargs,
+)
 from linkml_runtime.utils.enumerations import EnumDefinitionImpl
 from linkml_runtime.utils.formatutils import camelcase, sfx, underscore
-from linkml_runtime.utils.metamodelcore import (URI, Bool, XSDDate,
-                                                XSDDateTime, bnode, empty_dict,
-                                                empty_list)
+from linkml_runtime.utils.metamodelcore import (
+    URI,
+    Bool,
+    XSDDate,
+    XSDDateTime,
+    bnode,
+    empty_dict,
+    empty_list,
+)
 from linkml_runtime.utils.slot import Slot
-from linkml_runtime.utils.yamlutils import (YAMLRoot, extended_float,
-                                            extended_int, extended_str)
+from linkml_runtime.utils.yamlutils import (
+    YAMLRoot,
+    extended_float,
+    extended_int,
+    extended_str,
+)
 from rdflib import Namespace, URIRef
 
 metamodel_version = "1.7.0"