Restructure test files (#10415)

tests/format/js/expression_statement/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,33 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`no_regression.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "flow", "typescript"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+// Ensure no regression.
+"use strict";
+
+=====================================output=====================================
+// Ensure no regression.
+"use strict";
+
+================================================================================
+`;
+
+exports[`use_strict.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "flow", "typescript"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+// Parentheses around expression statement should be preserved in this case.
+("use strict");
+
+=====================================output=====================================
+// Parentheses around expression statement should be preserved in this case.
+("use strict");
+
+================================================================================
+`;

tests/format/js/expression_statement/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname, ["babel", "flow", "typescript"]);

tests/format/js/expression_statement/no_regression.js

@@ -0,0 +1,2 @@
+// Ensure no regression.
+"use strict";

tests/format/js/expression_statement/use_strict.js

@@ -0,0 +1,2 @@
+// Parentheses around expression statement should be preserved in this case.
+("use strict");