tint/test: Remove skips for tint:1818

The INT_MIN literal issue was fixed in the SPIR-V reader, so we now
generate valid WGSL for these tests.

Bug: tint:1818
Change-Id: Ib5ae62d08bbf24b2fc0b775dd7ad62bcac1340fe
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/118642
Commit-Queue: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
diff --git a/test/tint/vk-gl-cts/graphicsfuzz/cov-fold-negate-min-int-value/0-opt.spvasm.expected.wgsl b/test/tint/vk-gl-cts/graphicsfuzz/cov-fold-negate-min-int-value/0-opt.spvasm.expected.wgsl
deleted file mode 100644
index 152ed97..0000000
--- a/test/tint/vk-gl-cts/graphicsfuzz/cov-fold-negate-min-int-value/0-opt.spvasm.expected.wgsl
+++ /dev/null
@@ -1,42 +0,0 @@
-SKIP: triggers crbug.com/tint/1818
-
-struct buf0 {
-  /* @offset(0) */
-  minusOne : i32,
-}
-
-@group(0) @binding(0) var<uniform> x_7 : buf0;
-
-var<private> x_GLF_color : vec4<f32>;
-
-fn main_1() {
-  var minValue : i32;
-  var negMinValue : i32;
-  minValue = -2147483648i;
-  let x_25 : i32 = minValue;
-  negMinValue = -(x_25);
-  let x_27 : i32 = negMinValue;
-  let x_28 : i32 = minValue;
-  let x_30 : i32 = x_7.minusOne;
-  if ((x_27 == (x_28 * x_30))) {
-    x_GLF_color = vec4<f32>(1.0f, 0.0f, 0.0f, 1.0f);
-  } else {
-    x_GLF_color = vec4<f32>(0.0f, 0.0f, 0.0f, 0.0f);
-  }
-  return;
-}
-
-struct main_out {
-  @location(0)
-  x_GLF_color_1 : vec4<f32>,
-}
-
-@fragment
-fn main() -> main_out {
-  main_1();
-  return main_out(x_GLF_color);
-}
-vk-gl-cts/graphicsfuzz/cov-fold-negate-min-int-value/0-opt.spvasm:13:15 error: value cannot be represented as 'i32'
-  minValue = -2147483648i;
-              ^
-
diff --git a/test/tint/vk-gl-cts/graphicsfuzz/cov-x86-isel-lowering-negative-left-shift/0-opt.spvasm.expected.wgsl b/test/tint/vk-gl-cts/graphicsfuzz/cov-x86-isel-lowering-negative-left-shift/0-opt.spvasm.expected.wgsl
deleted file mode 100644
index f2dbcbf..0000000
--- a/test/tint/vk-gl-cts/graphicsfuzz/cov-x86-isel-lowering-negative-left-shift/0-opt.spvasm.expected.wgsl
+++ /dev/null
@@ -1,131 +0,0 @@
-SKIP: triggers crbug.com/tint/1818
-
-struct strided_arr {
-  @size(16)
-  el : f32,
-}
-
-alias Arr = array<strided_arr, 3u>;
-
-struct buf1 {
-  /* @offset(0) */
-  x_GLF_uniform_float_values : Arr,
-}
-
-struct strided_arr_1 {
-  @size(16)
-  el : i32,
-}
-
-alias Arr_1 = array<strided_arr_1, 4u>;
-
-struct buf0 {
-  /* @offset(0) */
-  x_GLF_uniform_int_values : Arr_1,
-}
-
-@group(0) @binding(1) var<uniform> x_6 : buf1;
-
-@group(0) @binding(0) var<uniform> x_9 : buf0;
-
-var<private> x_GLF_color : vec4<f32>;
-
-fn main_1() {
-  var A : array<f32, 2u>;
-  var i : i32;
-  var j : i32;
-  var x_101 : bool;
-  var x_102 : bool;
-  let x_39 : f32 = x_6.x_GLF_uniform_float_values[1i].el;
-  A[0i] = x_39;
-  let x_42 : f32 = x_6.x_GLF_uniform_float_values[1i].el;
-  A[1i] = x_42;
-  let x_45 : i32 = x_9.x_GLF_uniform_int_values[0i].el;
-  i = x_45;
-  loop {
-    let x_50 : i32 = i;
-    let x_52 : i32 = x_9.x_GLF_uniform_int_values[3i].el;
-    if ((x_50 < x_52)) {
-    } else {
-      break;
-    }
-    let x_56 : i32 = x_9.x_GLF_uniform_int_values[0i].el;
-    j = x_56;
-    loop {
-      let x_61 : i32 = j;
-      let x_63 : i32 = x_9.x_GLF_uniform_int_values[2i].el;
-      if ((x_61 < x_63)) {
-      } else {
-        break;
-      }
-      let x_66 : i32 = j;
-      switch(x_66) {
-        case 1i: {
-          let x_78 : i32 = i;
-          let x_80 : f32 = x_6.x_GLF_uniform_float_values[0i].el;
-          A[x_78] = x_80;
-        }
-        case 0i: {
-          let x_70 : i32 = i;
-          if ((-2147483648i < x_70)) {
-            continue;
-          }
-          let x_74 : i32 = i;
-          let x_76 : f32 = x_6.x_GLF_uniform_float_values[2i].el;
-          A[x_74] = x_76;
-        }
-        default: {
-        }
-      }
-
-      continuing {
-        let x_82 : i32 = j;
-        j = (x_82 + 1i);
-      }
-    }
-
-    continuing {
-      let x_84 : i32 = i;
-      i = (x_84 + 1i);
-    }
-  }
-  let x_87 : i32 = x_9.x_GLF_uniform_int_values[0i].el;
-  let x_89 : f32 = A[x_87];
-  let x_91 : f32 = x_6.x_GLF_uniform_float_values[0i].el;
-  let x_92 : bool = (x_89 == x_91);
-  x_102 = x_92;
-  if (x_92) {
-    let x_96 : i32 = x_9.x_GLF_uniform_int_values[1i].el;
-    let x_98 : f32 = A[x_96];
-    let x_100 : f32 = x_6.x_GLF_uniform_float_values[0i].el;
-    x_101 = (x_98 == x_100);
-    x_102 = x_101;
-  }
-  if (x_102) {
-    let x_107 : i32 = x_9.x_GLF_uniform_int_values[1i].el;
-    let x_110 : i32 = x_9.x_GLF_uniform_int_values[0i].el;
-    let x_113 : i32 = x_9.x_GLF_uniform_int_values[0i].el;
-    let x_116 : i32 = x_9.x_GLF_uniform_int_values[1i].el;
-    x_GLF_color = vec4<f32>(f32(x_107), f32(x_110), f32(x_113), f32(x_116));
-  } else {
-    let x_120 : i32 = x_9.x_GLF_uniform_int_values[1i].el;
-    let x_121 : f32 = f32(x_120);
-    x_GLF_color = vec4<f32>(x_121, x_121, x_121, x_121);
-  }
-  return;
-}
-
-struct main_out {
-  @location(0)
-  x_GLF_color_1 : vec4<f32>,
-}
-
-@fragment
-fn main() -> main_out {
-  main_1();
-  return main_out(x_GLF_color);
-}
-vk-gl-cts/graphicsfuzz/cov-x86-isel-lowering-negative-left-shift/0-opt.spvasm:68:17 error: value cannot be represented as 'i32'
-          if ((-2147483648i < x_70)) {
-                ^
-