diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-block-scoped/actual.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-for/actual.js
similarity index 51%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-block-scoped/actual.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-for/actual.js
index bdd6bb03c..bf9dd73e8 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-block-scoped/actual.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-for/actual.js
@@ -1,2 +1,5 @@
 let i = 0;
 for (let x = 0; x < 10; x++) console.log(i + x);
+
+const j = 0;
+for (const x = 0; ; ) console.log(j + x);
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-block-scoped/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-for/expected.js
similarity index 53%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-block-scoped/expected.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-for/expected.js
index bdd6bb03c..86890ac6b 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-block-scoped/expected.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-for/expected.js
@@ -1,2 +1,5 @@
 let i = 0;
 for (let x = 0; x < 10; x++) console.log(i + x);
+
+const j = 0;
+for (const x = 0;;) console.log(j + x);
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-block-scoped-outside/actual.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-outside-for/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-block-scoped-outside/actual.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-outside-for/actual.js
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-outside-for/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-outside-for/expected.js
new file mode 100644
index 000000000..47c4619fc
--- /dev/null
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/block-scoped-outside-for/expected.js
@@ -0,0 +1,4 @@
+let i = 0,
+    y = 0;
+
+for (let x = 0; x < 10; x++) console.log(i + x);
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-block-scoped-outside/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-block-scoped-outside/expected.js
deleted file mode 100644
index 222ff33a7..000000000
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-block-scoped-outside/expected.js
+++ /dev/null
@@ -1,4 +0,0 @@
-let i = 0,
-  y = 0;
-
-for (let x = 0; x < 10; x++) console.log(i + x);
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-var-for-loop/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-var-for-loop/expected.js
index 703768c48..ba12d4ebf 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-var-for-loop/expected.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-var-for-loop/expected.js
@@ -1 +1,2 @@
-for (var i = 0, j = 0, x = 0; x < 10; x++) console.log(i + x);
+
+for (var i = 0, j = 0, x = 0; x < 10; x++) console.log(i + x);
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-var/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-var/expected.js
index c2131b51c..fd5512d0b 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-var/expected.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/concat-var/expected.js
@@ -1,3 +1,3 @@
 var i = 0,
-  x = 0,
-  y = 0;
+    x = 0,
+    y = 0;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-destructing/actual.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-destructuring-var/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-destructing/actual.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-destructuring-var/actual.js
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-destructing/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-destructuring-var/expected.js
similarity index 98%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-destructing/expected.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-destructuring-var/expected.js
index 04ed0f006..fd02755a4 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-destructing/expected.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-destructuring-var/expected.js
@@ -3,4 +3,4 @@ for (var i = 0; i < 0; i++) {
 }
 for (var i = 0; i < 0; i++) {
   var { j } = jj();
-}
+}
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-diff-type/actual.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-different-declars/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-diff-type/actual.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-different-declars/actual.js
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-diff-type/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-different-declars/expected.js
similarity index 95%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-diff-type/expected.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-different-declars/expected.js
index 55fd5e85f..8899a99fd 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-diff-type/expected.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-different-declars/expected.js
@@ -1,3 +1,3 @@
 for (let i = 0; i < 0; i++) {
   var i = 0;
-}
+}
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-let-declars/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-let-declars/expected.js
index 1dea34eee..eb1378967 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-let-declars/expected.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-let-declars/expected.js
@@ -1,3 +1,3 @@
 for (let i = 0, j; i < 0; i++) {
   j = jj();
-}
+}
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-mult-declars/actual.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-mult-declars/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-mult-declars/actual.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-mult-declars/actual.js
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-mult-declars/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-mult-declars/expected.js
similarity index 75%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-mult-declars/expected.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-mult-declars/expected.js
index f7ba000fa..2b134a306 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-mult-declars/expected.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-mult-declars/expected.js
@@ -1,4 +1,4 @@
 for (var i = 0; i < 0; i++) {
   var i = 0,
-    k = 0;
-}
+      k = 0;
+}
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-no-loop/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-no-loop-intializer/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-no-loop/expected.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-no-loop-intializer/actual.js
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-no-loop-intializer/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-no-loop-intializer/expected.js
new file mode 100644
index 000000000..127ace573
--- /dev/null
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-no-loop-intializer/expected.js
@@ -0,0 +1,2 @@
+for (;;) {}
+for (;;) var i = 0;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-not-initialized/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-not-initialized/actual.js
similarity index 100%
rename from packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-not-initialized/expected.js
rename to packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-not-initialized/actual.js
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-not-initialized/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-not-initialized/expected.js
new file mode 100644
index 000000000..62fa1a4c6
--- /dev/null
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-not-initialized/expected.js
@@ -0,0 +1,3 @@
+for (var i = 0;;) {
+  var i;
+}
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-var-declars/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-var-declars/expected.js
index e45eb0a32..a5b9bc324 100644
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-var-declars/expected.js
+++ b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/lift-var-declars/expected.js
@@ -1,4 +1,4 @@
 for (var i = 0, j; i < 0; i++) {
   j = jj();
 }
-for (var i = 0, j; ; ) j = 0;
+for (var i = 0, j;;) j = 0;
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-const-for-loop/actual.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-const-for-loop/actual.js
deleted file mode 100644
index f77104f56..000000000
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-const-for-loop/actual.js
+++ /dev/null
@@ -1,2 +0,0 @@
-const j = 0;
-for (const x = 0; ; ) console.log(j + x);
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-const-for-loop/expected.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-const-for-loop/expected.js
deleted file mode 100644
index f77104f56..000000000
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-concat-const-for-loop/expected.js
+++ /dev/null
@@ -1,2 +0,0 @@
-const j = 0;
-for (const x = 0; ; ) console.log(j + x);
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-no-loop/actual.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-no-loop/actual.js
deleted file mode 100644
index 04ed0f006..000000000
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-no-loop/actual.js
+++ /dev/null
@@ -1,6 +0,0 @@
-for (var i = 0; i < 0; i++) {
-  var [j] = jj();
-}
-for (var i = 0; i < 0; i++) {
-  var { j } = jj();
-}
diff --git a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-not-initialized/actual.js b/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-not-initialized/actual.js
deleted file mode 100644
index 55fd5e85f..000000000
--- a/packages/babel-plugin-transform-merge-sibling-variables/__tests__/fixtures/not-lift-on-not-initialized/actual.js
+++ /dev/null
@@ -1,3 +0,0 @@
-for (let i = 0; i < 0; i++) {
-  var i = 0;
-}