diff --git a/package.json b/package.json
index f79f76d..7c44d49 100644
--- a/package.json
+++ b/package.json
@@ -114,6 +114,7 @@
     "transform": {
       "^.+\\.tsx?$": "ts-jest"
     },
+    "resolver": "<rootDir>/test/resolver.cjs",
     "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$",
     "moduleFileExtensions": [
       "ts",
@@ -124,7 +125,7 @@
     ],
     "globals": {
       "ts-jest": {
-        "tsConfig": "test/tsconfig.tests.json"
+        "tsconfig": "test/tsconfig.json"
       }
     },
     "collectCoverage": true,
diff --git a/test/resolver.cjs b/test/resolver.cjs
new file mode 100644
index 0000000..4698165
--- /dev/null
+++ b/test/resolver.cjs
@@ -0,0 +1,9 @@
+const path = require("path")
+const srcDir = path.resolve(__dirname, "..", "src")
+
+module.exports = (path, options) => {
+  if (options.basedir.startsWith(srcDir) && path.endsWith(".js")) {
+    return options.defaultResolver(path.substring(0, path.length - 3) + ".ts", options);
+  }
+  return options.defaultResolver(path, options);
+};
\ No newline at end of file
diff --git a/test/tsconfig.json b/test/tsconfig.json
new file mode 100644
index 0000000..0db4f80
--- /dev/null
+++ b/test/tsconfig.json
@@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": [
+      "es2015",
+      "dom"
+    ],
+    "module": "commonjs",
+    "noImplicitAny": false,
+    "sourceMap": true,
+    "allowJs": true,
+    "types": [
+      "node",
+      "jest"
+    ]
+  },
+  "include": [
+    "./node/**/*.spec.ts"
+  ]
+}
\ No newline at end of file
diff --git a/test/tsconfig.tests.json b/test/tsconfig.tests.json
deleted file mode 100644
index 40ed092..0000000
--- a/test/tsconfig.tests.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-    "compilerOptions": {
-        "target": "es5",
-        "lib": [ "es2015", "dom" ],
-        "module": "commonjs",
-        "noImplicitAny": false,
-        "sourceMap": true,
-        "allowJs": true,
-        "types": [ "node", "jest" ]
-    },
-    "include": [
-        "./**/*"
-    ]
-}
\ No newline at end of file