Add failing test for typed array completions

Author: mediremi

tests/analysis_tests/tests/src/CompletionTypedArrays.res

@@ -0,0 +1,43 @@
+let bigInt64Array = BigInt64Array.fromLength(0)
+// bigInt64Array.
+//               ^com
+
+let bigUint64Array = BigUint64Array.fromLength(0)
+// bigUint64Array.
+//                ^com
+
+let float32Array = Float32Array.fromLength(0)
+// float32Array.
+//              ^com
+
+let float64Array = Float64Array.fromLength(0)
+// float64Array.
+//              ^com
+
+let int16Array = Int16Array.fromLength(0)
+// int16Array.
+//            ^com
+
+let int32Array = Int32Array.fromLength(0)
+// int32Array.
+//            ^com
+
+let int8Array = Int8Array.fromLength(0)
+// int8Array.
+//           ^com
+
+let uint16Array = Uint16Array.fromLength(0)
+// uint16Array.
+//             ^com
+
+let uint32Array = Uint32Array.fromLength(0)
+// uint32Array.
+//             ^com
+
+let uint8Array = Uint8Array.fromLength(0)
+// uint8Array.
+//            ^com
+
+let uint8ClampedArray = Uint8ClampedArray.fromLength(0)
+// uint8ClampedArray.
+//                   ^com