Temporal: Remove tests for part of the approved slate of removals

test/built-ins/Temporal/Instant/basic.js

@@ -9,12 +9,10 @@ features: [Temporal]
 
 const bigIntInstant = new Temporal.Instant(217175010123456789n);
 assert(bigIntInstant instanceof Temporal.Instant, "BigInt instanceof");
-assert.sameValue(bigIntInstant.epochSeconds, 217175010, "BigInt epochSeconds");
 assert.sameValue(bigIntInstant.epochMilliseconds, 217175010123, "BigInt epochMilliseconds");
 
 const stringInstant = new Temporal.Instant("217175010123456789");
 assert(stringInstant instanceof Temporal.Instant, "String instanceof");
-assert.sameValue(stringInstant.epochSeconds, 217175010, "String epochSeconds");
 assert.sameValue(stringInstant.epochMilliseconds, 217175010123, "String epochMilliseconds");
 
 assert.throws(SyntaxError, () => new Temporal.Instant("abc123"), "invalid BigInt syntax");

test/built-ins/Temporal/Instant/prototype/add/argument-string.js

@@ -7,6 +7,6 @@ description: A string is parsed into the correct object when passed as the argum
 features: [Temporal]
 ---*/
 
-const instance = Temporal.Instant.fromEpochSeconds(10);
+const instance = Temporal.Instant.fromEpochMilliseconds(10_000);
 const result = instance.add("PT3H");
 assert.sameValue(result.epochNanoseconds, 10_810_000_000_000n, "epochNanoseconds result");

test/built-ins/Temporal/Instant/prototype/add/infinity-throws-rangeerror.js

@@ -9,7 +9,7 @@ features: [Temporal]
 
 const fields = ["hours", "minutes", "seconds", "milliseconds", "microseconds", "nanoseconds"];
 
-const instance = Temporal.Instant.fromEpochSeconds(10);
+const instance = Temporal.Instant.fromEpochMilliseconds(10_000);
 
 fields.forEach((field) => {
   assert.throws(RangeError, () => instance.add({ [field]: Infinity }));

test/built-ins/Temporal/Instant/prototype/add/negative-infinity-throws-rangeerror.js

@@ -9,7 +9,7 @@ features: [Temporal]
 
 const fields = ["hours", "minutes", "seconds", "milliseconds", "microseconds", "nanoseconds"];
 
-const instance = Temporal.Instant.fromEpochSeconds(10);
+const instance = Temporal.Instant.fromEpochMilliseconds(10_000);
 
 fields.forEach((field) => {
   assert.throws(RangeError, () => instance.add({ [field]: -Infinity }));