Re-enable evm_tools tests

Author: SamWilsn

tox.ini

@@ -20,7 +20,7 @@ extras =
     test
 commands =
     pytest \
-        -m "not slow and not evm_tools" \
+        -m "not slow" \
         -n auto --maxprocesses 5 \
         --cov=ethereum --cov-report=term --cov-report "xml:{toxworkdir}/coverage.xml" \
         --ignore-glob='tests/fixtures/*' \
@@ -36,7 +36,7 @@ commands =
         --tb=no \
         --show-capture=no \
         --disable-warnings \
-        -m "not slow and not evm_tools" \
+        -m "not slow" \
         -n auto --maxprocesses 2 \
         --ignore-glob='tests/fixtures/*' \
         --basetemp="{temp_dir}/pytest"