more bash lints, update solc version inhardhat config

.github/scripts/integration_test_runner.sh

@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 
 # setup hardhat for compilation tests
-pushd tests/e2e/compilation/test_data/test_node_modules/
+pushd tests/e2e/compilation/test_data/test_node_modules/ || exit
 npm install hardhat
-popd
+popd || exit
 
 # used to pass --cov=$path and --cov-append to pytest
-pytest $1 tests/e2e/ -n auto
+pytest "$1" tests/e2e/ -n auto
 if [ "$1" != "" ]; then
     python -m coverage report
 fi

.github/scripts/tool_test_runner.sh

@@ -2,7 +2,7 @@
 
 npm install --global ganache
 # used to pass --cov=$path and --cov-append to pytest
-pytest $1 tests/tools/read-storage/test_read_storage.py
+pytest "$1" tests/tools/read-storage/test_read_storage.py
 if [ "$1" != "" ]; then
     python -m coverage report
 fi

.github/scripts/unit_test_runner.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # used to pass --cov=$path and --cov-append to pytest
-pytest $1 tests/unit/
+pytest "$1" tests/unit/
 if [ "$1" != "" ]; then
     python -m coverage report
 fi

tests/e2e/compilation/test_data/test_node_modules/hardhat.config.js

@@ -1,6 +1,6 @@
 module.exports = {
   solidity: {
-    version: "0.8.0"
+    version: "0.8.1"
   },
 }