diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/const-references/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/const-references/actual.js
new file mode 100644
index 000000000..886a14a27
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/const-references/actual.js
@@ -0,0 +1,4 @@
+const foo = "ab+";
+const bar = "c\\w";
+const flags = "g";
+const ret = new RegExp(foo + bar + "d", flags);
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/const-references/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/const-references/expected.js
new file mode 100644
index 000000000..253517033
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/const-references/expected.js
@@ -0,0 +1,4 @@
+const foo = "ab+";
+const bar = "c\\w";
+const flags = "g";
+const ret = /ab+c\wd/g;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/empty-string/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/empty-string/actual.js
new file mode 100644
index 000000000..60b897152
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/empty-string/actual.js
@@ -0,0 +1 @@
+var x = new RegExp("");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/empty-string/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/empty-string/expected.js
new file mode 100644
index 000000000..7a6287d47
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/empty-string/expected.js
@@ -0,0 +1 @@
+var x = /(?:)/;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/escape/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/escape/actual.js
new file mode 100644
index 000000000..735d77ae0
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/escape/actual.js
@@ -0,0 +1 @@
+var x = new RegExp("\\w+\\s");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/escape/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/escape/expected.js
new file mode 100644
index 000000000..eeb2f04a3
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/escape/expected.js
@@ -0,0 +1 @@
+var x = /\w+\s/;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/expressions/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/expressions/actual.js
new file mode 100644
index 000000000..7e86ff8e5
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/expressions/actual.js
@@ -0,0 +1 @@
+var x = new RegExp(foo(), "g");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/expressions/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/expressions/expected.js
new file mode 100644
index 000000000..72f59d819
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/expressions/expected.js
@@ -0,0 +1 @@
+var x = new RegExp(foo(), "g");
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/forward-slash/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/forward-slash/actual.js
new file mode 100644
index 000000000..69b4d5dce
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/forward-slash/actual.js
@@ -0,0 +1,2 @@
+var x = new RegExp("/x/");
+var y = new RegExp("\\/");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/forward-slash/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/forward-slash/expected.js
new file mode 100644
index 000000000..bb7683022
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/forward-slash/expected.js
@@ -0,0 +1,2 @@
+var x = /\/x\//;
+var y = /\//;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/newline/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/newline/actual.js
new file mode 100644
index 000000000..81939e90c
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/newline/actual.js
@@ -0,0 +1 @@
+var x = new RegExp("\\n");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/newline/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/newline/expected.js
new file mode 100644
index 000000000..b29880f63
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/newline/expected.js
@@ -0,0 +1 @@
+var x = /\n/;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/no-arguments/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/no-arguments/actual.js
new file mode 100644
index 000000000..30d8b7819
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/no-arguments/actual.js
@@ -0,0 +1 @@
+var x = new RegExp();
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/no-arguments/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/no-arguments/expected.js
new file mode 100644
index 000000000..7a6287d47
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/no-arguments/expected.js
@@ -0,0 +1 @@
+var x = /(?:)/;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/null/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/null/actual.js
new file mode 100644
index 000000000..342434d1d
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/null/actual.js
@@ -0,0 +1 @@
+var x = new RegExp("\0");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/null/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/null/expected.js
new file mode 100644
index 000000000..e6af8b13a
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/null/expected.js
@@ -0,0 +1 @@
+var x = /\0/;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/string/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/string/actual.js
new file mode 100644
index 000000000..cde9db8b2
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/string/actual.js
@@ -0,0 +1,2 @@
+var x = new RegExp("ab+c");
+var y = new RegExp("ab+c", "gimuy");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/string/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/string/expected.js
new file mode 100644
index 000000000..ce8307250
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/string/expected.js
@@ -0,0 +1,2 @@
+var x = /ab+c/;
+var y = /ab+c/gimuy;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/unicode-newline/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/unicode-newline/actual.js
new file mode 100644
index 000000000..5edf6f6c9
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/unicode-newline/actual.js
@@ -0,0 +1 @@
+var x = new RegExp("\u2028\u2029");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/unicode-newline/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/unicode-newline/expected.js
new file mode 100644
index 000000000..bc5843ceb
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/unicode-newline/expected.js
@@ -0,0 +1 @@
+var x = /\u2028\u2029/;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/whitespaces/actual.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/whitespaces/actual.js
new file mode 100644
index 000000000..e70dd9bfd
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/whitespaces/actual.js
@@ -0,0 +1 @@
+var x = new RegExp("\b\f\v\t\r\n\n");
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/whitespaces/expected.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/whitespaces/expected.js
new file mode 100644
index 000000000..074d3ea03
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/fixtures/whitespaces/expected.js
@@ -0,0 +1 @@
+var x = /[\b]\f\v	\r\n\n/;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/index.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/index.js
new file mode 100644
index 000000000..d7c81a111
--- /dev/null
+++ b/packages/babel-plugin-transform-regexp-constructors/__tests__/index.js
@@ -0,0 +1,2 @@
+const runner = require("test-runner");
+runner(__dirname);
diff --git a/packages/babel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js b/packages/babel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js
deleted file mode 100644
index 13295fc2f..000000000
--- a/packages/babel-plugin-transform-regexp-constructors/__tests__/transform-regexp-constructors-test.js
+++ /dev/null
@@ -1,148 +0,0 @@
-jest.autoMockOff();
-
-const thePlugin = require("test-transform")(require("../src/index"));
-
-describe("transform-regexp-constructors-plugin", () => {
-  thePlugin(
-    "should not duplicate forward-slash escapes",
-    String.raw`
-    var x = new RegExp('\\/');
-  `,
-    String.raw`
-    var x = /\//;
-  `
-  );
-
-  thePlugin(
-    "should transform `\n` properly",
-    String.raw`
-    var x = new RegExp('\\n');
-  `,
-    String.raw`
-    var x = /\n/;
-  `
-  );
-
-  thePlugin(
-    "should transform unicode newlines properly",
-    String.raw`
-    var x = new RegExp('\u2028\u2029');
-  `,
-    String.raw`
-    var x = /\u2028\u2029/;
-  `
-  );
-
-  thePlugin(
-    "should transform RegExp constructors with string literals",
-    `
-    var x = new RegExp('ab+c');
-  `,
-    `
-    var x = /ab+c/;
-  `
-  );
-
-  thePlugin(
-    "should transform RegExp calls with string literals",
-    `
-    var x = RegExp('ab+c');
-  `,
-    `
-    var x = /ab+c/;
-  `
-  );
-
-  thePlugin(
-    "should transform RegExp constructors with flags",
-    `
-    var x = new RegExp('ab+c', 'gimuy');
-  `,
-    `
-    var x = /ab+c/gimuy;
-  `
-  );
-
-  thePlugin(
-    "should transform RegExp escapes",
-    String.raw`
-    var x = new RegExp('\\w+\\s');
-  `,
-    String.raw`
-    var x = /\w+\s/;
-  `
-  );
-
-  thePlugin(
-    "should not transform RegExp constructors with expressions",
-    `
-    var x = new RegExp(foo(), 'g');
-  `
-  );
-
-  thePlugin(
-    "should transform RegExp constructor with no arguments into `/(?:)/`",
-    `
-    var x = new RegExp();
-  `,
-    `
-    var x = /(?:)/;
-  `
-  );
-
-  thePlugin(
-    "should transform RegExp constructor with an empty string argument into `/(?:)/`",
-    `
-    var x = new RegExp('');
-  `,
-    `
-    var x = /(?:)/;
-  `
-  );
-
-  thePlugin(
-    "should resolve expressions and const references in the constructor",
-    String.raw`
-    const foo = "ab+";
-    const bar = "c\\w";
-    const flags = "g";
-    const ret = new RegExp(foo + bar + "d", flags);
-  `,
-    String.raw`
-    const foo = "ab+";
-    const bar = "c\\w";
-    const flags = "g";
-    const ret = /ab+c\wd/g;
-  `
-  );
-
-  thePlugin(
-    "should prettify special whitespaces",
-    String.raw`
-    var x = new RegExp('\b\f\v\t\r\n\n');
-  `,
-    String.raw`
-    var x = /[\b]\f\v	\r\n\n/;
-  `
-  );
-
-  thePlugin(
-    "should escape forward slashes",
-    String.raw`
-    var x = new RegExp('/x/');
-  `,
-    String.raw`
-    var x = /\/x\//;
-  `
-  );
-
-  thePlugin(
-    "should keep NUL",
-    String.raw`
-    var x = new RegExp('\0');
-  `,
-    String.raw`
-    var x = /\0/;
-  `
-  );
-});