Revert "Clean up package.json scripts"

This reverts commit cd7cc1b.

package.json

@@ -8,9 +8,9 @@
     "coverage": "if [ -d \"test\" ]; then yarn run warn; else yarn run coverage:ts; fi;",
     "merge": "sol-merger \"./contracts/**/*.sol\"",
     "warn": "echo \"Refusing to overwrite 'test' directory. Run '\\033[1;33myarn run clean\\033[0m'.\n\"",
-    "test:ts": "trap \"yarn run clean\" INT TERM; yarn run bindings:ts && truffle test && yarn run clean",
-    "coverage:ts": "trap \"yarn run clean\" INT TERM; yarn run bindings:ts && solidity-coverage && yarn run clean",
-    "bindings:ts": "truffle compile && abi-gen --abis 'build/contracts/*.json' --output ./test-ts/typings/bindings --template './test-ts/typings/bindings/templates/contract.handlebars' --partials './test-ts/typings/bindings/templates/partials/*.handlebars' 1> /dev/null && tsc",
+    "test:ts": "trap \"yarn run clean\" INT TERM; (yarn run bindings:ts && tsc && truffle test) && yarn run clean",
+    "coverage:ts": "trap \"yarn run clean\" INT TERM; (yarn run bindings:ts && tsc && solidity-coverage) && yarn run clean",
+    "bindings:ts": "truffle compile && abi-gen --abis 'build/contracts/*.json' --output ./test-ts/typings/bindings --template './test-ts/typings/bindings/templates/contract.handlebars' --partials './test-ts/typings/bindings/templates/partials/*.handlebars' 1> /dev/null",
     "bindings:go": "solc --allow-paths . --combined-json bin,abi,userdoc,devdoc,metadata contracts/**/*.sol | abigen -pkg bindings --out bindings.go --abi -",
     "deployToKovan": "truffle migrate --network kovan && yarn run merge .merged/kovan",
     "coveralls": "cat ./coverage/lcov.info | coveralls"