Format tests/language/b*.

Change-Id: I4eb9cf0604a8a0e5227ab8f31db8309cbcabb336
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/400147
Auto-Submit: Bob Nystrom <[email protected]>
Commit-Queue: Bob Nystrom <[email protected]>
Reviewed-by: Lasse Nielsen <[email protected]>

Author: munificent

tests/language/bool/bool_test.dart

@@ -53,28 +53,36 @@ class BoolTest {
     if (identical(false, true)) {
       throw "Expect.equals broken";
     }
-    if (true == true) {} else {
+    if (true == true) {
+    } else {
       throw "Expect.equals broken";
     }
-    if (false == false) {} else {
+    if (false == false) {
+    } else {
       throw "Expect.equals broken";
     }
-    if (identical(true, true)) {} else {
+    if (identical(true, true)) {
+    } else {
       throw "Expect.equals broken";
     }
-    if (identical(false, false)) {} else {
+    if (identical(false, false)) {
+    } else {
       throw "Expect.equals broken";
     }
-    if (true != false) {} else {
+    if (true != false) {
+    } else {
       throw "Expect.equals broken";
     }
-    if (false != true) {} else {
+    if (false != true) {
+    } else {
       throw "Expect.equals broken";
     }
-    if (!identical(true, false)) {} else {
+    if (!identical(true, false)) {
+    } else {
       throw "Expect.equals broken";
     }
-    if (!identical(false, true)) {} else {
+    if (!identical(false, true)) {
+    } else {
       throw "Expect.equals broken";
     }
     if (true != true) {