GLES1: Make CTS verbose

The `machine` parameters were uninitialized (set to 0 as globals).  As a
result, the test failure messages were not emitted, making it harder to
understand what is failing.

Bug: angleproject:3408
Change-Id: Ib8351755af24e01736314d1832160edf10a8e767
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3920894
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>

src/tests/BUILD.gn

@@ -761,6 +761,7 @@ if (build_angle_gles1_conform_tests) {
     ]
 
     configs += [
+      ":angle_gles1_conform_support",
       "${angle_root}:libANGLE_config",
       "${angle_root}:angle_backend_config",
     ]

src/tests/gles1_conformance_tests/ConformanceTests.cpp

@@ -109,6 +109,8 @@ void StateSetup(void);
 
 #define CONFORMANCE_TEST_ERROR (-1)
 
+#include "conform.h"
+
 #ifdef __cplusplus
 }
 
@@ -120,8 +122,8 @@ class GLES1ConformanceTest : public ANGLETest<>
   protected:
     GLES1ConformanceTest()
     {
-        setWindowWidth(48);
-        setWindowHeight(48);
+        setWindowWidth(WINDSIZEX);
+        setWindowHeight(WINDSIZEY);
         setConfigRedBits(8);
         setConfigGreenBits(8);
         setConfigBlueBits(8);
@@ -135,6 +137,13 @@ class GLES1ConformanceTest : public ANGLETest<>
         BufferSetup();
         EpsilonSetup();
         StateSetup();
+
+        machine = {};
+        // Default parameters taken from shell.c.  Verbosity is increased so test failures come with
+        // information.
+        machine.randSeed       = 1;
+        machine.verboseLevel   = 2;
+        machine.stateCheckFlag = GL_TRUE;
     }
 };