diff --git a/.github/assert-contributors.sh b/.github/assert-contributors.sh
index 915f680..470d817 100755
--- a/.github/assert-contributors.sh
+++ b/.github/assert-contributors.sh
@@ -16,11 +16,16 @@ fi
 
 SCRIPT_PATH=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
 
-EXCLUDED_CONTIBUTORS=('John R. Bradley' 'renovate[bot]' 'Renovate Bot' 'Pion Bot')
-MISSING_CONTIBUTORS=()
+if [ -f ${SCRIPT_PATH}/.ci.conf ]
+then
+  . ${SCRIPT_PATH}/.ci.conf
+fi
+
+EXCLUDED_CONTRIBUTORS+=('John R. Bradley' 'renovate[bot]' 'Renovate Bot' 'Pion Bot')
+MISSING_CONTRIBUTORS=()
 
 shouldBeIncluded () {
-	for i in "${EXCLUDED_CONTIBUTORS[@]}"
+	for i in "${EXCLUDED_CONTRIBUTORS[@]}"
 	do
 		if [ "$i" == "$1" ] ; then
 			return 1
@@ -35,15 +40,15 @@ for contributor in $(git log --format='%aN' | sort -u)
 do
 	if shouldBeIncluded $contributor; then
 		if ! grep -q "$contributor" "$SCRIPT_PATH/../README.md"; then
-			MISSING_CONTIBUTORS+=("$contributor")
+			MISSING_CONTRIBUTORS+=("$contributor")
 		fi
 	fi
 done
 unset IFS
 
-if [ ${#MISSING_CONTIBUTORS[@]} -ne 0 ]; then
+if [ ${#MISSING_CONTRIBUTORS[@]} -ne 0 ]; then
     echo "Please add the following contributors to the README"
-    for i in "${MISSING_CONTIBUTORS[@]}"
+    for i in "${MISSING_CONTRIBUTORS[@]}"
     do
 	    echo "$i"
     done
diff --git a/.github/lint-disallowed-functions-in-library.sh b/.github/lint-disallowed-functions-in-library.sh
index f5c9d87..6d5d55a 100755
--- a/.github/lint-disallowed-functions-in-library.sh
+++ b/.github/lint-disallowed-functions-in-library.sh
@@ -10,13 +10,35 @@ set -e
 
 # Disallow usages of functions that cause the program to exit in the library code
 SCRIPT_PATH=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
-EXCLUDE_DIRECTORIES="--exclude-dir=examples --exclude-dir=.git --exclude-dir=.github "
+if [ -f ${SCRIPT_PATH}/.ci.conf ]
+then
+  . ${SCRIPT_PATH}/.ci.conf
+fi
+
+EXCLUDE_DIRECTORIES=${DISALLOWED_FUNCTIONS_EXCLUDED_DIRECTORIES:-"examples"}
 DISALLOWED_FUNCTIONS=('os.Exit(' 'panic(' 'Fatal(' 'Fatalf(' 'Fatalln(' 'fmt.Println(' 'fmt.Printf(' 'log.Print(' 'log.Println(' 'log.Printf(')
 
+files=$(
+  find "$SCRIPT_PATH/.." -name "*.go" \
+    | grep -v -e '^.*_test.go$' \
+    | while read file
+    do
+      excluded=false
+      for ex in $EXCLUDE_DIRECTORIES
+      do
+        if [[ $file == */$ex/* ]]
+        then
+          excluded=true
+          break
+        fi
+      done
+      $excluded || echo "$file"
+    done
+)
 
 for disallowedFunction in "${DISALLOWED_FUNCTIONS[@]}"
 do
-	if grep -R $EXCLUDE_DIRECTORIES -e "$disallowedFunction" "$SCRIPT_PATH/.." | grep -v -e '_test.go' -e 'nolint'; then
+	if grep -e "$disallowedFunction" $files | grep -v -e 'nolint'; then
 		echo "$disallowedFunction may only be used in example code"
 		exit 1
 	fi
diff --git a/.travis.yml b/.travis.yml
index e2bb205..e464e84 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,11 +28,13 @@ cache:
 
 _lint_job: &lint_job
   env: CACHE_NAME=lint
+  before_install:
+    - if [ -f .github/.ci.conf ]; then . .github/.ci.conf; fi
+  install: skip
   before_script:
     - |
       curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \
         | bash -s - -b $GOPATH/bin v${GOLANGCI_LINT_VERSION}
-  install: skip
   script:
     - bash .github/assert-contributors.sh
     - bash .github/lint-disallowed-functions-in-library.sh
@@ -42,23 +44,28 @@ _lint_job: &lint_job
 _test_job: &test_job
   env: CACHE_NAME=test
   before_install:
+    - if [ -f .github/.ci.conf ]; then . .github/.ci.conf; fi
     - go mod download
   install:
     - go build ./...
   script:
-    - coverpkgs=$(go list ./... | grep -v examples | paste -s -d ',')
+    - testpkgs=${TEST_PACKAGES:-$(go list ./... | grep -v examples)}
+    - coverpkgs=$(echo "${testpkgs}" | paste -s -d ',')
     - |
       go test \
         -coverpkg=${coverpkgs} -coverprofile=cover.out -covermode=atomic \
-        -tags quic \
-        -v -race ./...
+        ${TEST_EXTRA_ARGS:-} \
+        -v -race ${testpkgs}
+    - if [ -n "${TEST_HOOK}" ]; then ${TEST_HOOK}; fi
   after_success:
     - travis_retry bash <(curl -s https://codecov.io/bash) -c -F go
 _test_i386_job: &test_i386_job
   env: CACHE_NAME=test386
-  language: bash
   services: docker
+  before_install:
+    - if [ -f .github/.ci.conf ]; then . .github/.ci.conf; fi
   script:
+    - testpkgs=${TEST_PACKAGES:-$(go list ./... | grep -v examples)}
     - |
       docker run \
         -u $(id -u):$(id -g) \
@@ -70,12 +77,15 @@ _test_i386_job: &test_i386_job
         -w /go/src/github.com/pion/$(basename ${PWD}) \
         -it i386/golang:${GO_VERSION}-alpine \
         /usr/local/go/bin/go test \
-          -tags quic \
-          -v ./...
+          ${TEST_EXTRA_ARGS:-} \
+          -v ${testpkgs}
 _test_wasm_job: &test_wasm_job
   env: CACHE_NAME=wasm
   language: node_js
   node_js: 12
+  before_install:
+    - if [ -f .github/.ci.conf ]; then . .github/.ci.conf; fi
+    - if ${SKIP_WASM_TEST:-false}; then exit 0; fi
   install:
     # Manually download and install Go instead of using gimme.
     # It looks like gimme Go causes some errors on go-test for Wasm.
@@ -83,15 +93,10 @@ _test_wasm_job: &test_wasm_job
     - export GOROOT=${HOME}/go
     - export PATH=${GOROOT}/bin:${PATH}
     - yarn install
-    - export GO_JS_WASM_EXEC=${GOROOT}/misc/wasm/go_js_wasm_exec
-    # If the repository has wasm_exec hook, use it.
-    - |
-      if [ -f test-wasm/go_js_wasm_exec ]; then
-        export GO_JS_WASM_EXEC=${PWD}/test-wasm/go_js_wasm_exec
-      fi
+    - export GO_JS_WASM_EXEC=${GO_JS_WASM_EXEC:-${GOROOT}/misc/wasm/go_js_wasm_exec}
   script:
-    - testpkgs=$(go list ./... | grep -v examples)
-    - coverpkgs=$(go list ./... | grep -v examples | paste -s -d ',')
+    - testpkgs=${TEST_PACKAGES:-$(go list ./... | grep -v examples)}
+    - coverpkgs=$(echo "${testpkgs}" | paste -s -d ',')
     - |
       GOOS=js GOARCH=wasm go test \
         -coverpkg=${coverpkgs} -coverprofile=cover.out -covermode=atomic \
@@ -114,9 +119,11 @@ jobs:
     - <<: *test_i386_job
       name: Test i386 1.13
       env: GO_VERSION=1.13
+      go: 1.14  # version for host environment used to go list
     - <<: *test_i386_job
       name: Test i386 1.14
       env: GO_VERSION=1.14
+      go: 1.14  # version for host environment used to go list
     - <<: *test_wasm_job
       name: Test WASM 1.13
       env: GO_VERSION=1.13