Fix circular dependencies by making ofrak_angr and ofrak_capstone optional for ofrak_core tests

ofrak_core/requirements-test.txt

@@ -15,3 +15,4 @@ pytest-cov
 pytest-xdist
 requests
 fun-coverage==0.2.0
+importlib-resources  # Needed because of https://github.com/redballoonsecurity/ofrak/issues/398

ofrak_core/setup.py

@@ -83,12 +83,7 @@ def read_requirements(requirements_path):
     + read_requirements("requirements.txt"),
     extras_require={
         "docs": read_requirements("requirements-docs.txt"),
-        "test": [
-            "importlib-resources",  # Needed because of https://github.com/redballoonsecurity/ofrak/issues/398
-            "ofrak_angr~=1.0",
-            "ofrak_capstone~=1.0",
-        ]
-        + read_requirements("requirements-test.txt"),
+        "test": read_requirements("requirements-test.txt"),
         "non-pypi": read_requirements("requirements-non-pypi.txt"),
     },
     author="Red Balloon Security",

ofrak_core/test_ofrak/components/test_patch_from_source.py

@@ -4,8 +4,8 @@
 
 from ofrak_patch_maker.toolchain.llvm_12 import LLVM_12_0_1_Toolchain
 
-import ofrak_angr
-import ofrak_capstone
+ofrak_angr = pytest.importorskip("ofrak_angr")
+ofrak_capstone = pytest.importorskip("ofrak_capstone")
 from ofrak import OFRAKContext, Resource, ResourceAttributeValueFilter, ResourceFilter
 from ofrak.core import (
     Allocatable,

ofrak_core/test_ofrak/components/test_symbolic_analysis.py

@@ -3,7 +3,7 @@
 
 import pytest
 
-import ofrak_angr
+ofrak_angr = pytest.importorskip("ofrak_angr")
 from ofrak import OFRAKContext, Resource, ResourceFilter
 from ofrak.core import (
     ElfSymbolType,