[RISCV] Add ISAInfoTest tests for a few XQCI extensions (#120060)

Missed out adding rv32 only support test checks for a few of the
extensions.

Author: svs-quic

llvm/unittests/TargetParser/RISCVISAInfoTest.cpp

@@ -653,14 +653,12 @@ TEST(ParseArchString, RejectsConflictingExtensions) {
               "'xwchc' and 'zcb' extensions are incompatible");
   }
 
-  for (StringRef Input : {"rv64i_xqcisls0p2"}) {
-    EXPECT_EQ(toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
-              "'xqcisls' is only supported for 'rv32'");
-  }
-
-  for (StringRef Input : {"rv64i_xqcia0p2"}) {
-    EXPECT_EQ(toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
-              "'xqcia' is only supported for 'rv32'");
+  for (StringRef Input :
+       {"rv64i_xqcisls0p2", "rv64i_xqcia0p2", "rv64i_xqcicsr0p2",
+        "rv64i_xqcilsm0p2", "rv64i_xqcics0p2"}) {
+    EXPECT_THAT(
+        toString(RISCVISAInfo::parseArchString(Input, true).takeError()),
+        ::testing::EndsWith(" is only supported for 'rv32'"));
   }
 }