[flow] Add LSP test for deprecated colon type parameter autofix

Summary:
Add an IDE/LSP test for the new code action that converts `:` to `extends` in type parameter bounds.

Changelog:[internal]

Reviewed By: SamChou19815

Differential Revision: D95452831

fbshipit-source-id: 73e84b295a35820e661a3cb7d462fb84cb520626

Author: marcoww6

newtests/lsp/code-action/quickfix/ts_and_legacy_syntax/__snapshots__/quickfix-deprecated-colon-in-type-param.json

@@ -0,0 +1,38 @@
+{
+  "method": "textDocument/codeAction",
+  "result": [
+    {
+      "title": "Convert to `extends T`",
+      "kind": "quickfix",
+      "diagnostics": [],
+      "edit": {
+        "changes": {
+          "<PLACEHOLDER_PROJECT_URL>/fix-type-param-colon.js": [
+            {
+              "range": {
+                "start": {
+                  "line": 2,
+                  "character": 7
+                },
+                "end": {
+                  "line": 2,
+                  "character": 16
+                }
+              },
+              "newText": "A extends string"
+            }
+          ]
+        }
+      },
+      "command": {
+        "title": "",
+        "command": "log:org.flow:<PLACEHOLDER_PROJECT_URL>",
+        "arguments": [
+          "textDocument/codeAction",
+          "convert_type_param_colon",
+          "Convert to `extends T`"
+        ]
+      }
+    }
+  ]
+}

newtests/lsp/code-action/quickfix/ts_and_legacy_syntax/_flowconfig_deprecated_colon_extends

@@ -0,0 +1,2 @@
+[options]
+experimental.deprecated_colon_extends=<PROJECT_ROOT>/

newtests/lsp/code-action/quickfix/ts_and_legacy_syntax/fix-type-param-colon.js.ignored

@@ -0,0 +1,3 @@
+// @flow
+
+type T<A: string> = A;

newtests/lsp/code-action/quickfix/ts_and_legacy_syntax/test.js

@@ -208,6 +208,36 @@ module.exports = (suite(
         ['textDocument/publishDiagnostics', ...lspIgnoreStatusAndCancellation],
       ),
     ]),
+    test('provide quickfix for deprecated `:` in type param', [
+      addFile('fix-type-param-colon.js.ignored', 'fix-type-param-colon.js'),
+      lspStartAndConnect(),
+      lspRequestAndWaitUntilResponse('textDocument/codeAction', {
+        textDocument: {
+          uri: '<PLACEHOLDER_PROJECT_URL>/fix-type-param-colon.js',
+        },
+        range: {
+          start: {
+            line: 2,
+            character: 7,
+          },
+          end: {
+            line: 2,
+            character: 21,
+          },
+        },
+        context: {
+          only: ['quickfix'],
+          diagnostics: [],
+        },
+      }).verifyLSPMessageSnapshot(
+        path.join(
+          __dirname,
+          '__snapshots__',
+          'quickfix-deprecated-colon-in-type-param.json',
+        ),
+        ['textDocument/publishDiagnostics', ...lspIgnoreStatusAndCancellation],
+      ),
+    ]).flowConfig('_flowconfig_deprecated_colon_extends'),
     test('provide quickfix for `readonly` variance', [
       addFile('fix-readonly-variance.js.ignored', 'fix-readonly-variance.js'),
       lspStartAndConnect(),